diff --git a/videos/observation.images.left_wrist_episode_000000.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000000.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000000.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000000.mp4
diff --git a/videos/observation.images.left_wrist_episode_000001.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000001.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000001.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000001.mp4
diff --git a/videos/observation.images.left_wrist_episode_000002.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000002.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000002.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000002.mp4
diff --git a/videos/observation.images.left_wrist_episode_000003.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000003.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000003.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000003.mp4
diff --git a/videos/observation.images.left_wrist_episode_000004.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000004.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000004.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000004.mp4
diff --git a/videos/observation.images.left_wrist_episode_000005.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000005.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000005.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000005.mp4
diff --git a/videos/observation.images.left_wrist_episode_000006.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000006.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000006.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000006.mp4
diff --git a/videos/observation.images.left_wrist_episode_000007.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000007.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000007.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000007.mp4
diff --git a/videos/observation.images.left_wrist_episode_000008.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000008.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000008.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000008.mp4
diff --git a/videos/observation.images.left_wrist_episode_000009.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000009.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000009.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000009.mp4
diff --git a/videos/observation.images.left_wrist_episode_000010.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000010.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000010.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000010.mp4
diff --git a/videos/observation.images.left_wrist_episode_000011.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000011.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000011.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000011.mp4
diff --git a/videos/observation.images.left_wrist_episode_000012.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000012.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000012.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000012.mp4
diff --git a/videos/observation.images.left_wrist_episode_000013.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000013.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000013.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000013.mp4
diff --git a/videos/observation.images.left_wrist_episode_000014.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000014.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000014.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000014.mp4
diff --git a/videos/observation.images.left_wrist_episode_000015.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000015.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000015.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000015.mp4
diff --git a/videos/observation.images.left_wrist_episode_000016.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000016.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000016.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000016.mp4
diff --git a/videos/observation.images.left_wrist_episode_000017.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000017.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000017.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000017.mp4
diff --git a/videos/observation.images.left_wrist_episode_000018.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000018.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000018.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000018.mp4
diff --git a/videos/observation.images.left_wrist_episode_000019.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000019.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000019.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000019.mp4
diff --git a/videos/observation.images.left_wrist_episode_000020.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000020.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000020.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000020.mp4
diff --git a/videos/observation.images.left_wrist_episode_000021.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000021.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000021.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000021.mp4
diff --git a/videos/observation.images.left_wrist_episode_000022.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000022.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000022.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000022.mp4
diff --git a/videos/observation.images.left_wrist_episode_000023.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000023.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000023.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000023.mp4
diff --git a/videos/observation.images.left_wrist_episode_000024.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000024.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000024.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000024.mp4
diff --git a/videos/observation.images.left_wrist_episode_000025.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000025.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000025.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000025.mp4
diff --git a/videos/observation.images.left_wrist_episode_000026.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000026.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000026.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000026.mp4
diff --git a/videos/observation.images.left_wrist_episode_000027.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000027.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000027.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000027.mp4
diff --git a/videos/observation.images.left_wrist_episode_000028.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000028.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000028.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000028.mp4
diff --git a/videos/observation.images.left_wrist_episode_000029.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000029.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000029.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000029.mp4
diff --git a/videos/observation.images.left_wrist_episode_000030.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000030.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000030.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000030.mp4
diff --git a/videos/observation.images.left_wrist_episode_000031.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000031.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000031.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000031.mp4
diff --git a/videos/observation.images.left_wrist_episode_000032.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000032.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000032.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000032.mp4
diff --git a/videos/observation.images.left_wrist_episode_000033.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000033.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000033.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000033.mp4
diff --git a/videos/observation.images.left_wrist_episode_000034.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000034.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000034.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000034.mp4
diff --git a/videos/observation.images.left_wrist_episode_000035.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000035.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000035.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000035.mp4
diff --git a/videos/observation.images.left_wrist_episode_000036.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000036.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000036.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000036.mp4
diff --git a/videos/observation.images.left_wrist_episode_000037.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000037.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000037.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000037.mp4
diff --git a/videos/observation.images.left_wrist_episode_000038.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000038.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000038.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000038.mp4
diff --git a/videos/observation.images.left_wrist_episode_000039.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000039.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000039.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000039.mp4
diff --git a/videos/observation.images.left_wrist_episode_000040.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000040.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000040.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000040.mp4
diff --git a/videos/observation.images.left_wrist_episode_000041.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000041.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000041.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000041.mp4
diff --git a/videos/observation.images.left_wrist_episode_000042.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000042.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000042.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000042.mp4
diff --git a/videos/observation.images.left_wrist_episode_000043.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000043.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000043.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000043.mp4
diff --git a/videos/observation.images.left_wrist_episode_000044.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000044.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000044.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000044.mp4
diff --git a/videos/observation.images.left_wrist_episode_000045.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000045.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000045.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000045.mp4
diff --git a/videos/observation.images.left_wrist_episode_000046.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000046.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000046.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000046.mp4
diff --git a/videos/observation.images.left_wrist_episode_000047.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000047.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000047.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000047.mp4
diff --git a/videos/observation.images.left_wrist_episode_000048.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000048.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000048.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000048.mp4
diff --git a/videos/observation.images.left_wrist_episode_000049.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000049.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000049.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000049.mp4
diff --git a/videos/observation.images.left_wrist_episode_000050.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000050.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000050.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000050.mp4
diff --git a/videos/observation.images.left_wrist_episode_000051.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000051.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000051.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000051.mp4
diff --git a/videos/observation.images.left_wrist_episode_000052.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000052.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000052.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000052.mp4
diff --git a/videos/observation.images.left_wrist_episode_000053.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000053.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000053.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000053.mp4
diff --git a/videos/observation.images.left_wrist_episode_000054.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000054.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000054.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000054.mp4
diff --git a/videos/observation.images.left_wrist_episode_000055.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000055.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000055.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000055.mp4
diff --git a/videos/observation.images.left_wrist_episode_000056.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000056.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000056.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000056.mp4
diff --git a/videos/observation.images.left_wrist_episode_000057.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000057.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000057.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000057.mp4
diff --git a/videos/observation.images.left_wrist_episode_000058.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000058.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000058.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000058.mp4
diff --git a/videos/observation.images.left_wrist_episode_000059.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000059.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000059.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000059.mp4
diff --git a/videos/observation.images.left_wrist_episode_000060.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000060.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000060.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000060.mp4
diff --git a/videos/observation.images.left_wrist_episode_000061.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000061.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000061.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000061.mp4
diff --git a/videos/observation.images.left_wrist_episode_000062.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000062.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000062.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000062.mp4
diff --git a/videos/observation.images.left_wrist_episode_000063.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000063.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000063.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000063.mp4
diff --git a/videos/observation.images.left_wrist_episode_000064.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000064.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000064.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000064.mp4
diff --git a/videos/observation.images.left_wrist_episode_000065.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000065.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000065.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000065.mp4
diff --git a/videos/observation.images.left_wrist_episode_000066.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000066.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000066.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000066.mp4
diff --git a/videos/observation.images.left_wrist_episode_000067.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000067.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000067.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000067.mp4
diff --git a/videos/observation.images.left_wrist_episode_000068.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000068.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000068.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000068.mp4
diff --git a/videos/observation.images.left_wrist_episode_000069.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000069.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000069.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000069.mp4
diff --git a/videos/observation.images.left_wrist_episode_000070.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000070.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000070.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000070.mp4
diff --git a/videos/observation.images.left_wrist_episode_000071.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000071.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000071.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000071.mp4
diff --git a/videos/observation.images.left_wrist_episode_000072.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000072.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000072.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000072.mp4
diff --git a/videos/observation.images.left_wrist_episode_000073.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000073.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000073.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000073.mp4
diff --git a/videos/observation.images.left_wrist_episode_000074.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000074.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000074.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000074.mp4
diff --git a/videos/observation.images.left_wrist_episode_000075.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000075.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000075.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000075.mp4
diff --git a/videos/observation.images.left_wrist_episode_000076.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000076.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000076.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000076.mp4
diff --git a/videos/observation.images.left_wrist_episode_000077.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000077.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000077.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000077.mp4
diff --git a/videos/observation.images.left_wrist_episode_000078.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000078.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000078.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000078.mp4
diff --git a/videos/observation.images.left_wrist_episode_000079.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000079.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000079.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000079.mp4
diff --git a/videos/observation.images.left_wrist_episode_000080.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000080.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000080.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000080.mp4
diff --git a/videos/observation.images.left_wrist_episode_000081.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000081.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000081.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000081.mp4
diff --git a/videos/observation.images.left_wrist_episode_000082.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000082.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000082.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000082.mp4
diff --git a/videos/observation.images.left_wrist_episode_000083.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000083.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000083.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000083.mp4
diff --git a/videos/observation.images.left_wrist_episode_000084.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000084.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000084.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000084.mp4
diff --git a/videos/observation.images.left_wrist_episode_000085.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000085.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000085.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000085.mp4
diff --git a/videos/observation.images.left_wrist_episode_000086.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000086.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000086.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000086.mp4
diff --git a/videos/observation.images.left_wrist_episode_000087.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000087.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000087.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000087.mp4
diff --git a/videos/observation.images.left_wrist_episode_000088.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000088.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000088.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000088.mp4
diff --git a/videos/observation.images.left_wrist_episode_000089.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000089.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000089.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000089.mp4
diff --git a/videos/observation.images.left_wrist_episode_000090.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000090.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000090.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000090.mp4
diff --git a/videos/observation.images.left_wrist_episode_000091.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000091.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000091.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000091.mp4
diff --git a/videos/observation.images.left_wrist_episode_000092.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000092.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000092.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000092.mp4
diff --git a/videos/observation.images.left_wrist_episode_000093.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000093.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000093.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000093.mp4
diff --git a/videos/observation.images.left_wrist_episode_000094.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000094.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000094.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000094.mp4
diff --git a/videos/observation.images.left_wrist_episode_000095.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000095.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000095.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000095.mp4
diff --git a/videos/observation.images.left_wrist_episode_000096.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000096.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000096.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000096.mp4
diff --git a/videos/observation.images.left_wrist_episode_000097.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000097.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000097.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000097.mp4
diff --git a/videos/observation.images.left_wrist_episode_000098.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000098.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000098.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000098.mp4
diff --git a/videos/observation.images.left_wrist_episode_000099.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000099.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000099.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000099.mp4
diff --git a/videos/observation.images.left_wrist_episode_000100.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000100.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000100.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000100.mp4
diff --git a/videos/observation.images.left_wrist_episode_000101.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000101.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000101.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000101.mp4
diff --git a/videos/observation.images.left_wrist_episode_000102.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000102.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000102.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000102.mp4
diff --git a/videos/observation.images.left_wrist_episode_000103.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000103.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000103.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000103.mp4
diff --git a/videos/observation.images.left_wrist_episode_000104.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000104.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000104.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000104.mp4
diff --git a/videos/observation.images.left_wrist_episode_000105.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000105.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000105.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000105.mp4
diff --git a/videos/observation.images.left_wrist_episode_000106.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000106.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000106.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000106.mp4
diff --git a/videos/observation.images.left_wrist_episode_000107.mp4 b/videos/chunk-000/observation.images.left_wrist/episode_000107.mp4
similarity index 100%
rename from videos/observation.images.left_wrist_episode_000107.mp4
rename to videos/chunk-000/observation.images.left_wrist/episode_000107.mp4
diff --git a/videos/observation.images.right_wrist_episode_000000.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000000.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000000.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000000.mp4
diff --git a/videos/observation.images.right_wrist_episode_000001.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000001.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000001.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000001.mp4
diff --git a/videos/observation.images.right_wrist_episode_000002.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000002.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000002.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000002.mp4
diff --git a/videos/observation.images.right_wrist_episode_000003.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000003.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000003.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000003.mp4
diff --git a/videos/observation.images.right_wrist_episode_000004.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000004.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000004.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000004.mp4
diff --git a/videos/observation.images.right_wrist_episode_000005.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000005.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000005.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000005.mp4
diff --git a/videos/observation.images.right_wrist_episode_000006.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000006.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000006.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000006.mp4
diff --git a/videos/observation.images.right_wrist_episode_000007.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000007.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000007.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000007.mp4
diff --git a/videos/observation.images.right_wrist_episode_000008.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000008.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000008.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000008.mp4
diff --git a/videos/observation.images.right_wrist_episode_000009.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000009.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000009.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000009.mp4
diff --git a/videos/observation.images.right_wrist_episode_000010.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000010.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000010.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000010.mp4
diff --git a/videos/observation.images.right_wrist_episode_000011.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000011.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000011.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000011.mp4
diff --git a/videos/observation.images.right_wrist_episode_000012.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000012.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000012.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000012.mp4
diff --git a/videos/observation.images.right_wrist_episode_000013.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000013.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000013.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000013.mp4
diff --git a/videos/observation.images.right_wrist_episode_000014.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000014.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000014.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000014.mp4
diff --git a/videos/observation.images.right_wrist_episode_000015.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000015.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000015.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000015.mp4
diff --git a/videos/observation.images.right_wrist_episode_000016.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000016.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000016.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000016.mp4
diff --git a/videos/observation.images.right_wrist_episode_000017.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000017.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000017.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000017.mp4
diff --git a/videos/observation.images.right_wrist_episode_000018.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000018.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000018.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000018.mp4
diff --git a/videos/observation.images.right_wrist_episode_000019.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000019.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000019.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000019.mp4
diff --git a/videos/observation.images.right_wrist_episode_000020.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000020.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000020.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000020.mp4
diff --git a/videos/observation.images.right_wrist_episode_000021.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000021.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000021.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000021.mp4
diff --git a/videos/observation.images.right_wrist_episode_000022.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000022.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000022.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000022.mp4
diff --git a/videos/observation.images.right_wrist_episode_000023.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000023.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000023.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000023.mp4
diff --git a/videos/observation.images.right_wrist_episode_000024.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000024.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000024.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000024.mp4
diff --git a/videos/observation.images.right_wrist_episode_000025.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000025.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000025.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000025.mp4
diff --git a/videos/observation.images.right_wrist_episode_000026.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000026.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000026.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000026.mp4
diff --git a/videos/observation.images.right_wrist_episode_000027.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000027.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000027.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000027.mp4
diff --git a/videos/observation.images.right_wrist_episode_000028.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000028.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000028.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000028.mp4
diff --git a/videos/observation.images.right_wrist_episode_000029.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000029.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000029.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000029.mp4
diff --git a/videos/observation.images.right_wrist_episode_000030.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000030.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000030.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000030.mp4
diff --git a/videos/observation.images.right_wrist_episode_000031.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000031.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000031.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000031.mp4
diff --git a/videos/observation.images.right_wrist_episode_000032.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000032.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000032.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000032.mp4
diff --git a/videos/observation.images.right_wrist_episode_000033.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000033.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000033.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000033.mp4
diff --git a/videos/observation.images.right_wrist_episode_000034.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000034.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000034.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000034.mp4
diff --git a/videos/observation.images.right_wrist_episode_000035.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000035.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000035.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000035.mp4
diff --git a/videos/observation.images.right_wrist_episode_000036.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000036.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000036.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000036.mp4
diff --git a/videos/observation.images.right_wrist_episode_000037.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000037.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000037.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000037.mp4
diff --git a/videos/observation.images.right_wrist_episode_000038.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000038.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000038.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000038.mp4
diff --git a/videos/observation.images.right_wrist_episode_000039.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000039.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000039.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000039.mp4
diff --git a/videos/observation.images.right_wrist_episode_000040.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000040.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000040.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000040.mp4
diff --git a/videos/observation.images.right_wrist_episode_000041.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000041.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000041.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000041.mp4
diff --git a/videos/observation.images.right_wrist_episode_000042.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000042.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000042.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000042.mp4
diff --git a/videos/observation.images.right_wrist_episode_000043.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000043.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000043.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000043.mp4
diff --git a/videos/observation.images.right_wrist_episode_000044.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000044.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000044.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000044.mp4
diff --git a/videos/observation.images.right_wrist_episode_000045.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000045.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000045.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000045.mp4
diff --git a/videos/observation.images.right_wrist_episode_000046.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000046.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000046.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000046.mp4
diff --git a/videos/observation.images.right_wrist_episode_000047.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000047.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000047.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000047.mp4
diff --git a/videos/observation.images.right_wrist_episode_000048.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000048.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000048.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000048.mp4
diff --git a/videos/observation.images.right_wrist_episode_000049.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000049.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000049.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000049.mp4
diff --git a/videos/observation.images.right_wrist_episode_000050.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000050.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000050.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000050.mp4
diff --git a/videos/observation.images.right_wrist_episode_000051.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000051.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000051.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000051.mp4
diff --git a/videos/observation.images.right_wrist_episode_000052.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000052.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000052.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000052.mp4
diff --git a/videos/observation.images.right_wrist_episode_000053.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000053.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000053.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000053.mp4
diff --git a/videos/observation.images.right_wrist_episode_000054.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000054.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000054.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000054.mp4
diff --git a/videos/observation.images.right_wrist_episode_000055.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000055.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000055.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000055.mp4
diff --git a/videos/observation.images.right_wrist_episode_000056.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000056.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000056.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000056.mp4
diff --git a/videos/observation.images.right_wrist_episode_000057.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000057.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000057.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000057.mp4
diff --git a/videos/observation.images.right_wrist_episode_000058.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000058.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000058.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000058.mp4
diff --git a/videos/observation.images.right_wrist_episode_000059.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000059.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000059.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000059.mp4
diff --git a/videos/observation.images.right_wrist_episode_000060.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000060.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000060.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000060.mp4
diff --git a/videos/observation.images.right_wrist_episode_000061.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000061.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000061.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000061.mp4
diff --git a/videos/observation.images.right_wrist_episode_000062.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000062.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000062.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000062.mp4
diff --git a/videos/observation.images.right_wrist_episode_000063.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000063.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000063.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000063.mp4
diff --git a/videos/observation.images.right_wrist_episode_000064.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000064.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000064.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000064.mp4
diff --git a/videos/observation.images.right_wrist_episode_000065.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000065.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000065.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000065.mp4
diff --git a/videos/observation.images.right_wrist_episode_000066.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000066.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000066.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000066.mp4
diff --git a/videos/observation.images.right_wrist_episode_000067.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000067.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000067.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000067.mp4
diff --git a/videos/observation.images.right_wrist_episode_000068.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000068.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000068.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000068.mp4
diff --git a/videos/observation.images.right_wrist_episode_000069.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000069.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000069.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000069.mp4
diff --git a/videos/observation.images.right_wrist_episode_000070.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000070.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000070.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000070.mp4
diff --git a/videos/observation.images.right_wrist_episode_000071.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000071.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000071.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000071.mp4
diff --git a/videos/observation.images.right_wrist_episode_000072.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000072.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000072.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000072.mp4
diff --git a/videos/observation.images.right_wrist_episode_000073.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000073.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000073.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000073.mp4
diff --git a/videos/observation.images.right_wrist_episode_000074.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000074.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000074.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000074.mp4
diff --git a/videos/observation.images.right_wrist_episode_000075.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000075.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000075.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000075.mp4
diff --git a/videos/observation.images.right_wrist_episode_000076.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000076.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000076.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000076.mp4
diff --git a/videos/observation.images.right_wrist_episode_000077.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000077.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000077.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000077.mp4
diff --git a/videos/observation.images.right_wrist_episode_000078.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000078.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000078.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000078.mp4
diff --git a/videos/observation.images.right_wrist_episode_000079.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000079.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000079.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000079.mp4
diff --git a/videos/observation.images.right_wrist_episode_000080.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000080.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000080.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000080.mp4
diff --git a/videos/observation.images.right_wrist_episode_000081.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000081.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000081.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000081.mp4
diff --git a/videos/observation.images.right_wrist_episode_000082.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000082.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000082.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000082.mp4
diff --git a/videos/observation.images.right_wrist_episode_000083.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000083.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000083.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000083.mp4
diff --git a/videos/observation.images.right_wrist_episode_000084.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000084.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000084.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000084.mp4
diff --git a/videos/observation.images.right_wrist_episode_000085.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000085.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000085.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000085.mp4
diff --git a/videos/observation.images.right_wrist_episode_000086.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000086.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000086.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000086.mp4
diff --git a/videos/observation.images.right_wrist_episode_000087.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000087.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000087.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000087.mp4
diff --git a/videos/observation.images.right_wrist_episode_000088.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000088.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000088.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000088.mp4
diff --git a/videos/observation.images.right_wrist_episode_000089.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000089.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000089.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000089.mp4
diff --git a/videos/observation.images.right_wrist_episode_000090.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000090.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000090.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000090.mp4
diff --git a/videos/observation.images.right_wrist_episode_000091.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000091.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000091.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000091.mp4
diff --git a/videos/observation.images.right_wrist_episode_000092.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000092.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000092.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000092.mp4
diff --git a/videos/observation.images.right_wrist_episode_000093.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000093.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000093.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000093.mp4
diff --git a/videos/observation.images.right_wrist_episode_000094.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000094.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000094.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000094.mp4
diff --git a/videos/observation.images.right_wrist_episode_000095.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000095.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000095.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000095.mp4
diff --git a/videos/observation.images.right_wrist_episode_000096.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000096.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000096.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000096.mp4
diff --git a/videos/observation.images.right_wrist_episode_000097.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000097.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000097.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000097.mp4
diff --git a/videos/observation.images.right_wrist_episode_000098.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000098.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000098.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000098.mp4
diff --git a/videos/observation.images.right_wrist_episode_000099.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000099.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000099.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000099.mp4
diff --git a/videos/observation.images.right_wrist_episode_000100.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000100.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000100.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000100.mp4
diff --git a/videos/observation.images.right_wrist_episode_000101.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000101.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000101.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000101.mp4
diff --git a/videos/observation.images.right_wrist_episode_000102.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000102.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000102.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000102.mp4
diff --git a/videos/observation.images.right_wrist_episode_000103.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000103.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000103.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000103.mp4
diff --git a/videos/observation.images.right_wrist_episode_000104.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000104.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000104.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000104.mp4
diff --git a/videos/observation.images.right_wrist_episode_000105.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000105.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000105.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000105.mp4
diff --git a/videos/observation.images.right_wrist_episode_000106.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000106.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000106.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000106.mp4
diff --git a/videos/observation.images.right_wrist_episode_000107.mp4 b/videos/chunk-000/observation.images.right_wrist/episode_000107.mp4
similarity index 100%
rename from videos/observation.images.right_wrist_episode_000107.mp4
rename to videos/chunk-000/observation.images.right_wrist/episode_000107.mp4
diff --git a/videos/observation.images.top_episode_000000.mp4 b/videos/chunk-000/observation.images.top/episode_000000.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000000.mp4
rename to videos/chunk-000/observation.images.top/episode_000000.mp4
diff --git a/videos/observation.images.top_episode_000001.mp4 b/videos/chunk-000/observation.images.top/episode_000001.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000001.mp4
rename to videos/chunk-000/observation.images.top/episode_000001.mp4
diff --git a/videos/observation.images.top_episode_000002.mp4 b/videos/chunk-000/observation.images.top/episode_000002.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000002.mp4
rename to videos/chunk-000/observation.images.top/episode_000002.mp4
diff --git a/videos/observation.images.top_episode_000003.mp4 b/videos/chunk-000/observation.images.top/episode_000003.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000003.mp4
rename to videos/chunk-000/observation.images.top/episode_000003.mp4
diff --git a/videos/observation.images.top_episode_000004.mp4 b/videos/chunk-000/observation.images.top/episode_000004.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000004.mp4
rename to videos/chunk-000/observation.images.top/episode_000004.mp4
diff --git a/videos/observation.images.top_episode_000005.mp4 b/videos/chunk-000/observation.images.top/episode_000005.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000005.mp4
rename to videos/chunk-000/observation.images.top/episode_000005.mp4
diff --git a/videos/observation.images.top_episode_000006.mp4 b/videos/chunk-000/observation.images.top/episode_000006.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000006.mp4
rename to videos/chunk-000/observation.images.top/episode_000006.mp4
diff --git a/videos/observation.images.top_episode_000007.mp4 b/videos/chunk-000/observation.images.top/episode_000007.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000007.mp4
rename to videos/chunk-000/observation.images.top/episode_000007.mp4
diff --git a/videos/observation.images.top_episode_000008.mp4 b/videos/chunk-000/observation.images.top/episode_000008.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000008.mp4
rename to videos/chunk-000/observation.images.top/episode_000008.mp4
diff --git a/videos/observation.images.top_episode_000009.mp4 b/videos/chunk-000/observation.images.top/episode_000009.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000009.mp4
rename to videos/chunk-000/observation.images.top/episode_000009.mp4
diff --git a/videos/observation.images.top_episode_000010.mp4 b/videos/chunk-000/observation.images.top/episode_000010.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000010.mp4
rename to videos/chunk-000/observation.images.top/episode_000010.mp4
diff --git a/videos/observation.images.top_episode_000011.mp4 b/videos/chunk-000/observation.images.top/episode_000011.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000011.mp4
rename to videos/chunk-000/observation.images.top/episode_000011.mp4
diff --git a/videos/observation.images.top_episode_000012.mp4 b/videos/chunk-000/observation.images.top/episode_000012.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000012.mp4
rename to videos/chunk-000/observation.images.top/episode_000012.mp4
diff --git a/videos/observation.images.top_episode_000013.mp4 b/videos/chunk-000/observation.images.top/episode_000013.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000013.mp4
rename to videos/chunk-000/observation.images.top/episode_000013.mp4
diff --git a/videos/observation.images.top_episode_000014.mp4 b/videos/chunk-000/observation.images.top/episode_000014.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000014.mp4
rename to videos/chunk-000/observation.images.top/episode_000014.mp4
diff --git a/videos/observation.images.top_episode_000015.mp4 b/videos/chunk-000/observation.images.top/episode_000015.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000015.mp4
rename to videos/chunk-000/observation.images.top/episode_000015.mp4
diff --git a/videos/observation.images.top_episode_000016.mp4 b/videos/chunk-000/observation.images.top/episode_000016.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000016.mp4
rename to videos/chunk-000/observation.images.top/episode_000016.mp4
diff --git a/videos/observation.images.top_episode_000017.mp4 b/videos/chunk-000/observation.images.top/episode_000017.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000017.mp4
rename to videos/chunk-000/observation.images.top/episode_000017.mp4
diff --git a/videos/observation.images.top_episode_000018.mp4 b/videos/chunk-000/observation.images.top/episode_000018.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000018.mp4
rename to videos/chunk-000/observation.images.top/episode_000018.mp4
diff --git a/videos/observation.images.top_episode_000019.mp4 b/videos/chunk-000/observation.images.top/episode_000019.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000019.mp4
rename to videos/chunk-000/observation.images.top/episode_000019.mp4
diff --git a/videos/observation.images.top_episode_000020.mp4 b/videos/chunk-000/observation.images.top/episode_000020.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000020.mp4
rename to videos/chunk-000/observation.images.top/episode_000020.mp4
diff --git a/videos/observation.images.top_episode_000021.mp4 b/videos/chunk-000/observation.images.top/episode_000021.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000021.mp4
rename to videos/chunk-000/observation.images.top/episode_000021.mp4
diff --git a/videos/observation.images.top_episode_000022.mp4 b/videos/chunk-000/observation.images.top/episode_000022.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000022.mp4
rename to videos/chunk-000/observation.images.top/episode_000022.mp4
diff --git a/videos/observation.images.top_episode_000023.mp4 b/videos/chunk-000/observation.images.top/episode_000023.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000023.mp4
rename to videos/chunk-000/observation.images.top/episode_000023.mp4
diff --git a/videos/observation.images.top_episode_000024.mp4 b/videos/chunk-000/observation.images.top/episode_000024.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000024.mp4
rename to videos/chunk-000/observation.images.top/episode_000024.mp4
diff --git a/videos/observation.images.top_episode_000025.mp4 b/videos/chunk-000/observation.images.top/episode_000025.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000025.mp4
rename to videos/chunk-000/observation.images.top/episode_000025.mp4
diff --git a/videos/observation.images.top_episode_000026.mp4 b/videos/chunk-000/observation.images.top/episode_000026.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000026.mp4
rename to videos/chunk-000/observation.images.top/episode_000026.mp4
diff --git a/videos/observation.images.top_episode_000027.mp4 b/videos/chunk-000/observation.images.top/episode_000027.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000027.mp4
rename to videos/chunk-000/observation.images.top/episode_000027.mp4
diff --git a/videos/observation.images.top_episode_000028.mp4 b/videos/chunk-000/observation.images.top/episode_000028.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000028.mp4
rename to videos/chunk-000/observation.images.top/episode_000028.mp4
diff --git a/videos/observation.images.top_episode_000029.mp4 b/videos/chunk-000/observation.images.top/episode_000029.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000029.mp4
rename to videos/chunk-000/observation.images.top/episode_000029.mp4
diff --git a/videos/observation.images.top_episode_000030.mp4 b/videos/chunk-000/observation.images.top/episode_000030.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000030.mp4
rename to videos/chunk-000/observation.images.top/episode_000030.mp4
diff --git a/videos/observation.images.top_episode_000031.mp4 b/videos/chunk-000/observation.images.top/episode_000031.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000031.mp4
rename to videos/chunk-000/observation.images.top/episode_000031.mp4
diff --git a/videos/observation.images.top_episode_000032.mp4 b/videos/chunk-000/observation.images.top/episode_000032.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000032.mp4
rename to videos/chunk-000/observation.images.top/episode_000032.mp4
diff --git a/videos/observation.images.top_episode_000033.mp4 b/videos/chunk-000/observation.images.top/episode_000033.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000033.mp4
rename to videos/chunk-000/observation.images.top/episode_000033.mp4
diff --git a/videos/observation.images.top_episode_000034.mp4 b/videos/chunk-000/observation.images.top/episode_000034.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000034.mp4
rename to videos/chunk-000/observation.images.top/episode_000034.mp4
diff --git a/videos/observation.images.top_episode_000035.mp4 b/videos/chunk-000/observation.images.top/episode_000035.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000035.mp4
rename to videos/chunk-000/observation.images.top/episode_000035.mp4
diff --git a/videos/observation.images.top_episode_000036.mp4 b/videos/chunk-000/observation.images.top/episode_000036.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000036.mp4
rename to videos/chunk-000/observation.images.top/episode_000036.mp4
diff --git a/videos/observation.images.top_episode_000037.mp4 b/videos/chunk-000/observation.images.top/episode_000037.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000037.mp4
rename to videos/chunk-000/observation.images.top/episode_000037.mp4
diff --git a/videos/observation.images.top_episode_000038.mp4 b/videos/chunk-000/observation.images.top/episode_000038.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000038.mp4
rename to videos/chunk-000/observation.images.top/episode_000038.mp4
diff --git a/videos/observation.images.top_episode_000039.mp4 b/videos/chunk-000/observation.images.top/episode_000039.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000039.mp4
rename to videos/chunk-000/observation.images.top/episode_000039.mp4
diff --git a/videos/observation.images.top_episode_000040.mp4 b/videos/chunk-000/observation.images.top/episode_000040.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000040.mp4
rename to videos/chunk-000/observation.images.top/episode_000040.mp4
diff --git a/videos/observation.images.top_episode_000041.mp4 b/videos/chunk-000/observation.images.top/episode_000041.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000041.mp4
rename to videos/chunk-000/observation.images.top/episode_000041.mp4
diff --git a/videos/observation.images.top_episode_000042.mp4 b/videos/chunk-000/observation.images.top/episode_000042.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000042.mp4
rename to videos/chunk-000/observation.images.top/episode_000042.mp4
diff --git a/videos/observation.images.top_episode_000043.mp4 b/videos/chunk-000/observation.images.top/episode_000043.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000043.mp4
rename to videos/chunk-000/observation.images.top/episode_000043.mp4
diff --git a/videos/observation.images.top_episode_000044.mp4 b/videos/chunk-000/observation.images.top/episode_000044.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000044.mp4
rename to videos/chunk-000/observation.images.top/episode_000044.mp4
diff --git a/videos/observation.images.top_episode_000045.mp4 b/videos/chunk-000/observation.images.top/episode_000045.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000045.mp4
rename to videos/chunk-000/observation.images.top/episode_000045.mp4
diff --git a/videos/observation.images.top_episode_000046.mp4 b/videos/chunk-000/observation.images.top/episode_000046.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000046.mp4
rename to videos/chunk-000/observation.images.top/episode_000046.mp4
diff --git a/videos/observation.images.top_episode_000047.mp4 b/videos/chunk-000/observation.images.top/episode_000047.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000047.mp4
rename to videos/chunk-000/observation.images.top/episode_000047.mp4
diff --git a/videos/observation.images.top_episode_000048.mp4 b/videos/chunk-000/observation.images.top/episode_000048.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000048.mp4
rename to videos/chunk-000/observation.images.top/episode_000048.mp4
diff --git a/videos/observation.images.top_episode_000049.mp4 b/videos/chunk-000/observation.images.top/episode_000049.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000049.mp4
rename to videos/chunk-000/observation.images.top/episode_000049.mp4
diff --git a/videos/observation.images.top_episode_000050.mp4 b/videos/chunk-000/observation.images.top/episode_000050.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000050.mp4
rename to videos/chunk-000/observation.images.top/episode_000050.mp4
diff --git a/videos/observation.images.top_episode_000051.mp4 b/videos/chunk-000/observation.images.top/episode_000051.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000051.mp4
rename to videos/chunk-000/observation.images.top/episode_000051.mp4
diff --git a/videos/observation.images.top_episode_000052.mp4 b/videos/chunk-000/observation.images.top/episode_000052.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000052.mp4
rename to videos/chunk-000/observation.images.top/episode_000052.mp4
diff --git a/videos/observation.images.top_episode_000053.mp4 b/videos/chunk-000/observation.images.top/episode_000053.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000053.mp4
rename to videos/chunk-000/observation.images.top/episode_000053.mp4
diff --git a/videos/observation.images.top_episode_000054.mp4 b/videos/chunk-000/observation.images.top/episode_000054.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000054.mp4
rename to videos/chunk-000/observation.images.top/episode_000054.mp4
diff --git a/videos/observation.images.top_episode_000055.mp4 b/videos/chunk-000/observation.images.top/episode_000055.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000055.mp4
rename to videos/chunk-000/observation.images.top/episode_000055.mp4
diff --git a/videos/observation.images.top_episode_000056.mp4 b/videos/chunk-000/observation.images.top/episode_000056.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000056.mp4
rename to videos/chunk-000/observation.images.top/episode_000056.mp4
diff --git a/videos/observation.images.top_episode_000057.mp4 b/videos/chunk-000/observation.images.top/episode_000057.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000057.mp4
rename to videos/chunk-000/observation.images.top/episode_000057.mp4
diff --git a/videos/observation.images.top_episode_000058.mp4 b/videos/chunk-000/observation.images.top/episode_000058.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000058.mp4
rename to videos/chunk-000/observation.images.top/episode_000058.mp4
diff --git a/videos/observation.images.top_episode_000059.mp4 b/videos/chunk-000/observation.images.top/episode_000059.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000059.mp4
rename to videos/chunk-000/observation.images.top/episode_000059.mp4
diff --git a/videos/observation.images.top_episode_000060.mp4 b/videos/chunk-000/observation.images.top/episode_000060.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000060.mp4
rename to videos/chunk-000/observation.images.top/episode_000060.mp4
diff --git a/videos/observation.images.top_episode_000061.mp4 b/videos/chunk-000/observation.images.top/episode_000061.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000061.mp4
rename to videos/chunk-000/observation.images.top/episode_000061.mp4
diff --git a/videos/observation.images.top_episode_000062.mp4 b/videos/chunk-000/observation.images.top/episode_000062.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000062.mp4
rename to videos/chunk-000/observation.images.top/episode_000062.mp4
diff --git a/videos/observation.images.top_episode_000063.mp4 b/videos/chunk-000/observation.images.top/episode_000063.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000063.mp4
rename to videos/chunk-000/observation.images.top/episode_000063.mp4
diff --git a/videos/observation.images.top_episode_000064.mp4 b/videos/chunk-000/observation.images.top/episode_000064.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000064.mp4
rename to videos/chunk-000/observation.images.top/episode_000064.mp4
diff --git a/videos/observation.images.top_episode_000065.mp4 b/videos/chunk-000/observation.images.top/episode_000065.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000065.mp4
rename to videos/chunk-000/observation.images.top/episode_000065.mp4
diff --git a/videos/observation.images.top_episode_000066.mp4 b/videos/chunk-000/observation.images.top/episode_000066.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000066.mp4
rename to videos/chunk-000/observation.images.top/episode_000066.mp4
diff --git a/videos/observation.images.top_episode_000067.mp4 b/videos/chunk-000/observation.images.top/episode_000067.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000067.mp4
rename to videos/chunk-000/observation.images.top/episode_000067.mp4
diff --git a/videos/observation.images.top_episode_000068.mp4 b/videos/chunk-000/observation.images.top/episode_000068.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000068.mp4
rename to videos/chunk-000/observation.images.top/episode_000068.mp4
diff --git a/videos/observation.images.top_episode_000069.mp4 b/videos/chunk-000/observation.images.top/episode_000069.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000069.mp4
rename to videos/chunk-000/observation.images.top/episode_000069.mp4
diff --git a/videos/observation.images.top_episode_000070.mp4 b/videos/chunk-000/observation.images.top/episode_000070.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000070.mp4
rename to videos/chunk-000/observation.images.top/episode_000070.mp4
diff --git a/videos/observation.images.top_episode_000071.mp4 b/videos/chunk-000/observation.images.top/episode_000071.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000071.mp4
rename to videos/chunk-000/observation.images.top/episode_000071.mp4
diff --git a/videos/observation.images.top_episode_000072.mp4 b/videos/chunk-000/observation.images.top/episode_000072.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000072.mp4
rename to videos/chunk-000/observation.images.top/episode_000072.mp4
diff --git a/videos/observation.images.top_episode_000073.mp4 b/videos/chunk-000/observation.images.top/episode_000073.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000073.mp4
rename to videos/chunk-000/observation.images.top/episode_000073.mp4
diff --git a/videos/observation.images.top_episode_000074.mp4 b/videos/chunk-000/observation.images.top/episode_000074.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000074.mp4
rename to videos/chunk-000/observation.images.top/episode_000074.mp4
diff --git a/videos/observation.images.top_episode_000075.mp4 b/videos/chunk-000/observation.images.top/episode_000075.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000075.mp4
rename to videos/chunk-000/observation.images.top/episode_000075.mp4
diff --git a/videos/observation.images.top_episode_000076.mp4 b/videos/chunk-000/observation.images.top/episode_000076.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000076.mp4
rename to videos/chunk-000/observation.images.top/episode_000076.mp4
diff --git a/videos/observation.images.top_episode_000077.mp4 b/videos/chunk-000/observation.images.top/episode_000077.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000077.mp4
rename to videos/chunk-000/observation.images.top/episode_000077.mp4
diff --git a/videos/observation.images.top_episode_000078.mp4 b/videos/chunk-000/observation.images.top/episode_000078.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000078.mp4
rename to videos/chunk-000/observation.images.top/episode_000078.mp4
diff --git a/videos/observation.images.top_episode_000079.mp4 b/videos/chunk-000/observation.images.top/episode_000079.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000079.mp4
rename to videos/chunk-000/observation.images.top/episode_000079.mp4
diff --git a/videos/observation.images.top_episode_000080.mp4 b/videos/chunk-000/observation.images.top/episode_000080.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000080.mp4
rename to videos/chunk-000/observation.images.top/episode_000080.mp4
diff --git a/videos/observation.images.top_episode_000081.mp4 b/videos/chunk-000/observation.images.top/episode_000081.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000081.mp4
rename to videos/chunk-000/observation.images.top/episode_000081.mp4
diff --git a/videos/observation.images.top_episode_000082.mp4 b/videos/chunk-000/observation.images.top/episode_000082.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000082.mp4
rename to videos/chunk-000/observation.images.top/episode_000082.mp4
diff --git a/videos/observation.images.top_episode_000083.mp4 b/videos/chunk-000/observation.images.top/episode_000083.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000083.mp4
rename to videos/chunk-000/observation.images.top/episode_000083.mp4
diff --git a/videos/observation.images.top_episode_000084.mp4 b/videos/chunk-000/observation.images.top/episode_000084.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000084.mp4
rename to videos/chunk-000/observation.images.top/episode_000084.mp4
diff --git a/videos/observation.images.top_episode_000085.mp4 b/videos/chunk-000/observation.images.top/episode_000085.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000085.mp4
rename to videos/chunk-000/observation.images.top/episode_000085.mp4
diff --git a/videos/observation.images.top_episode_000086.mp4 b/videos/chunk-000/observation.images.top/episode_000086.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000086.mp4
rename to videos/chunk-000/observation.images.top/episode_000086.mp4
diff --git a/videos/observation.images.top_episode_000087.mp4 b/videos/chunk-000/observation.images.top/episode_000087.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000087.mp4
rename to videos/chunk-000/observation.images.top/episode_000087.mp4
diff --git a/videos/observation.images.top_episode_000088.mp4 b/videos/chunk-000/observation.images.top/episode_000088.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000088.mp4
rename to videos/chunk-000/observation.images.top/episode_000088.mp4
diff --git a/videos/observation.images.top_episode_000089.mp4 b/videos/chunk-000/observation.images.top/episode_000089.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000089.mp4
rename to videos/chunk-000/observation.images.top/episode_000089.mp4
diff --git a/videos/observation.images.top_episode_000090.mp4 b/videos/chunk-000/observation.images.top/episode_000090.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000090.mp4
rename to videos/chunk-000/observation.images.top/episode_000090.mp4
diff --git a/videos/observation.images.top_episode_000091.mp4 b/videos/chunk-000/observation.images.top/episode_000091.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000091.mp4
rename to videos/chunk-000/observation.images.top/episode_000091.mp4
diff --git a/videos/observation.images.top_episode_000092.mp4 b/videos/chunk-000/observation.images.top/episode_000092.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000092.mp4
rename to videos/chunk-000/observation.images.top/episode_000092.mp4
diff --git a/videos/observation.images.top_episode_000093.mp4 b/videos/chunk-000/observation.images.top/episode_000093.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000093.mp4
rename to videos/chunk-000/observation.images.top/episode_000093.mp4
diff --git a/videos/observation.images.top_episode_000094.mp4 b/videos/chunk-000/observation.images.top/episode_000094.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000094.mp4
rename to videos/chunk-000/observation.images.top/episode_000094.mp4
diff --git a/videos/observation.images.top_episode_000095.mp4 b/videos/chunk-000/observation.images.top/episode_000095.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000095.mp4
rename to videos/chunk-000/observation.images.top/episode_000095.mp4
diff --git a/videos/observation.images.top_episode_000096.mp4 b/videos/chunk-000/observation.images.top/episode_000096.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000096.mp4
rename to videos/chunk-000/observation.images.top/episode_000096.mp4
diff --git a/videos/observation.images.top_episode_000097.mp4 b/videos/chunk-000/observation.images.top/episode_000097.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000097.mp4
rename to videos/chunk-000/observation.images.top/episode_000097.mp4
diff --git a/videos/observation.images.top_episode_000098.mp4 b/videos/chunk-000/observation.images.top/episode_000098.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000098.mp4
rename to videos/chunk-000/observation.images.top/episode_000098.mp4
diff --git a/videos/observation.images.top_episode_000099.mp4 b/videos/chunk-000/observation.images.top/episode_000099.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000099.mp4
rename to videos/chunk-000/observation.images.top/episode_000099.mp4
diff --git a/videos/observation.images.top_episode_000100.mp4 b/videos/chunk-000/observation.images.top/episode_000100.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000100.mp4
rename to videos/chunk-000/observation.images.top/episode_000100.mp4
diff --git a/videos/observation.images.top_episode_000101.mp4 b/videos/chunk-000/observation.images.top/episode_000101.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000101.mp4
rename to videos/chunk-000/observation.images.top/episode_000101.mp4
diff --git a/videos/observation.images.top_episode_000102.mp4 b/videos/chunk-000/observation.images.top/episode_000102.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000102.mp4
rename to videos/chunk-000/observation.images.top/episode_000102.mp4
diff --git a/videos/observation.images.top_episode_000103.mp4 b/videos/chunk-000/observation.images.top/episode_000103.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000103.mp4
rename to videos/chunk-000/observation.images.top/episode_000103.mp4
diff --git a/videos/observation.images.top_episode_000104.mp4 b/videos/chunk-000/observation.images.top/episode_000104.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000104.mp4
rename to videos/chunk-000/observation.images.top/episode_000104.mp4
diff --git a/videos/observation.images.top_episode_000105.mp4 b/videos/chunk-000/observation.images.top/episode_000105.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000105.mp4
rename to videos/chunk-000/observation.images.top/episode_000105.mp4
diff --git a/videos/observation.images.top_episode_000106.mp4 b/videos/chunk-000/observation.images.top/episode_000106.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000106.mp4
rename to videos/chunk-000/observation.images.top/episode_000106.mp4
diff --git a/videos/observation.images.top_episode_000107.mp4 b/videos/chunk-000/observation.images.top/episode_000107.mp4
similarity index 100%
rename from videos/observation.images.top_episode_000107.mp4
rename to videos/chunk-000/observation.images.top/episode_000107.mp4