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[narrator] How important
was this structure to an event that threatened
to turn the Cold War red hot?
was this structure to an event that threatened
to turn the Cold War red hot?
Full Transcript
00:00:01.000 --> 00:00:03.433
[narrator] How important
was this structure
00:00:03.005 --> 00:00:07.006
to an event that threatened
to turn the Cold War red hot?
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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.