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And that's why, officially, the government promoted
tunnels and shelters as places for security, a safety zone for people. [narrator] The reality
of who the tunnels
were actually built for was radically different. [Auerbach] It's believed that
this labyrinth encompasses nearly 150 miles of tunnels
built as escape routes
tunnels and shelters as places for security, a safety zone for people. [narrator] The reality
of who the tunnels
were actually built for was radically different. [Auerbach] It's believed that
this labyrinth encompasses nearly 150 miles of tunnels
built as escape routes
Full Transcript
00:00:01.000 --> 00:00:02.009
And that's why, officially,
00:00:02.009 --> 00:00:07.007
the government promoted
tunnels and shelters
00:00:07.007 --> 00:00:10.533
as places for security,
00:00:10.006 --> 00:00:12.004
a safety zone for people.
00:00:14.199 --> 00:00:18.099
[narrator] The reality
of who the tunnels
were actually built for
00:00:18.099 --> 00:00:19.009
was radically different.
00:00:22.005 --> 00:00:25.833
[Auerbach] It's believed that
this labyrinth encompasses
00:00:25.009 --> 00:00:26.001
nearly 150 miles of tunnels
built as escape routes,
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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.