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Its location and design
made it almost impossible
for inmates to escape, but that didn't stop
some from trying
made it almost impossible
for inmates to escape, but that didn't stop
some from trying
Full Transcript
00:00:01.000 --> 00:00:05.064
Its location and design
made it almost impossible
for inmates to escape,
00:00:05.072 --> 00:00:07.084
but that didn't stop
some from trying.
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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...