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[narrator] Using the same
principles as
the earliest tunnels, the new construction would
allow the defenders the new construction would
allow the defenders to hold out against even
the most well-armed intruders. People are going to be
blazing away at you
with muskets and handguns, and arrows
and boiling oil
principles as
the earliest tunnels, the new construction would
allow the defenders the new construction would
allow the defenders to hold out against even
the most well-armed intruders. People are going to be
blazing away at you
with muskets and handguns, and arrows
and boiling oil
Full Transcript
00:00:01.000 --> 00:00:04.267
[narrator] Using the same
principles as
the earliest tunnels,
00:00:04.267 --> 00:00:05.474
the new construction would
allow the defenders
00:00:05.474 --> 00:00:05.009
the new construction would
allow the defenders
00:00:07.267 --> 00:00:11.167
to hold out against even
the most well-armed intruders.
00:00:11.167 --> 00:00:15.007
People are going to be
blazing away at you
with muskets
00:00:15.767 --> 00:00:20.067
and handguns, and arrows
and boiling oil.
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Movie Summary
The world's most incredible engineering projects are revisited to uncover why places full of mysteries and untold secrets are now abandoned ruins.