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[narrator] The cause was identified. The sinkhole was definitively man-made. Investigators pivoted to determine how the fault had been overlooked. It seemed the signs may hav been there all along. Deformation, in the tunnel wall
Full Transcript
00:00:01.000 --> 00:00:05.918
[narrator] The cause was
identified. The sinkhole
was definitively man-made.
00:00:05.092 --> 00:00:10.038
Investigators pivoted
to determine how the fault
had been overlooked.
00:00:11.088 --> 00:00:14.958
It seemed the signs may hav
been there all along.
00:00:14.096 --> 00:00:17.198
Deformation, in
the tunnel wall.
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Movie Summary
With access to all phases of design and a large cast of experts, some of the great failures of engineering history are uncovered.