So, half the battle's won when you're creating an impregnable fortress, if you stick it up...
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So, half the battle's won when you're creating an impregnable fortress, if you stick it up on a nice rocky outcrop
Full Transcript
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So, half the battle's won
00:00:02.712 --> 00:00:04.874
when you're creating an impregnable fortress,
00:00:04.874 --> 00:00:07.726
if you stick it up on a nice rocky outcrop.
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Movie Summary
A fascinating look at how modern day structures and engineering technologies have been inspired by ancient discoveries.
