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The guards at the eastern end of the wall would witness the sunrise one hour and 20 minutes before guards at the western end
Full Transcript
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The guards at the eastern end of the wall
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would witness the sunrise one hour and 20 minutes
00:00:06.068 --> 00:00:08.473
before guards at the western end.
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Movie Summary
A fascinating look at how modern day structures and engineering technologies have been inspired by ancient discoveries.