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Once an ideal path was cleared, a trench was built, filled in with sand and boulders to create a solid foundation, followed by a layer of gravel compacted with clay or mortar
Full Transcript
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Once an ideal path was cleared, a trench was built,
00:00:04.095 --> 00:00:06.007
filled in with sand and boulders
00:00:06.007 --> 00:00:09.002
to create a solid foundation,
00:00:09.002 --> 00:00:13.999
followed by a layer of gravel compacted with clay or mortar.
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Movie Summary
A fascinating look at how modern day structures and engineering technologies have been inspired by ancient discoveries.