Viet Cong built a huge network of tunnels about 20 feet below ground, these tunnels would...
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Viet Cong built a huge network of tunnels about 20 feet below ground, these tunnels would allow soldiers to travel for miles to conduct surveillance, to set traps, or to launch surprise attacks
Full Transcript
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Viet Cong built a huge network of tunnels
00:00:04.544 --> 00:00:06.722
about 20 feet below ground,
00:00:06.722 --> 00:00:10.174
these tunnels would allow soldiers to travel for miles
00:00:10.174 --> 00:00:13.432
to conduct surveillance, to set traps,
00:00:13.432 --> 00:00:15.973
or to launch surprise attacks.
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Movie Summary
A fascinating look at how modern day structures and engineering technologies have been inspired by ancient discoveries.
