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So, Tracy believes they entered
through more innocuous saloons or restaurants down the block,
like the present-day Rio Grande, where men could access the tunnels, then secretly make their way
underground to the nearby brothels
through more innocuous saloons or restaurants down the block,
like the present-day Rio Grande, where men could access the tunnels, then secretly make their way
underground to the nearby brothels
Full Transcript
00:00:01.000 --> 00:00:04.000
So, Tracy believes they entered
through more innocuous saloons
00:00:04.008 --> 00:00:08.012
or restaurants down the block,
like the present-day Rio Grande,
00:00:08.002 --> 00:00:10.002
where men could access the tunnels,
00:00:10.028 --> 00:00:13.076
then secretly make their way
underground to the nearby brothels.
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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...