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This is why we have a trough, which was used to distribute
hay and water
hay and water
Full Transcript
00:00:01.000 --> 00:00:02.767
This is why we have a trough,
00:00:02.834 --> 00:00:05.434
which was used to distribute
hay and water.
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Movie Summary
The world's most incredible engineering projects are revisited to uncover why places full of mysteries and untold secrets are now abandoned ruins.