The building itself is seemingly impregnable, it's made of concrete lined granite and...
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The building itself is seemingly impregnable, it's made of concrete lined granite and reinforced steel, enabling it to withstand attack
Full Transcript
00:00:01.000 --> 00:00:04.919
The building itself is seemingly impregnable,
00:00:04.919 --> 00:00:08.185
it's made of concrete lined granite and reinforced steel,
00:00:08.185 --> 00:00:10.257
enabling it to withstand attack.
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Movie Summary
A fascinating look at how modern day structures and engineering technologies have been inspired by ancient discoveries.
