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To build a motte you are shifting a lot of earth, perhaps 20 or 30,000 tons of earth, so it's backbreaking work for hundreds of people
Full Transcript
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To build a motte you are shifting a lot of earth,
00:00:04.129 --> 00:00:07.004
perhaps 20 or 30,000 tons of earth,
00:00:07.004 --> 00:00:09.049
so it's backbreaking work for hundreds of people.
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Movie Summary
A fascinating look at how modern day structures and engineering technologies have been inspired by ancient discoveries.