(LAUGHS) When the hotel was constructed,these tunnels were built to flush out...
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(LAUGHS) When the hotel was constructed,
these tunnels were built to flush out rainwater
from the basement
these tunnels were built to flush out rainwater
from the basement
Full Transcript
00:00:01.000 --> 00:00:02.076
(LAUGHS)
00:00:02.084 --> 00:00:05.068
When the hotel was constructed,
these tunnels were built
00:00:05.076 --> 00:00:08.016
to flush out rainwater
from the basement.
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Movie Summary
Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre g...
