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By the 1950s the officials in charge
of mining in this district recognized they had
a huge transportation problem
of mining in this district recognized they had
a huge transportation problem
Full Transcript
00:00:01.000 --> 00:00:02.367
By the 1950s
00:00:02.367 --> 00:00:05.267
the officials in charge
of mining in this district
00:00:05.267 --> 00:00:08.009
recognized they had
a huge transportation problem.
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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.