With the concentric layout, defenders could protect the outer perimeter from attack and...
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With the concentric layout, defenders could protect the outer perimeter from attack and then fall back, if need be, into the center of the castle
Full Transcript
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With the concentric layout,
00:00:02.706 --> 00:00:05.398
defenders could protect the outer perimeter from attack
00:00:05.398 --> 00:00:07.065
and then fall back, if need be,
00:00:07.065 --> 00:00:10.283
into the center of the castle.
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Movie Summary
A fascinating look at how modern day structures and engineering technologies have been inspired by ancient discoveries.
