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Geophysicist Tim Bechtel, who joined me earlier
to investigate Duffy's Cut, is an expert on
underground sensing technology
to investigate Duffy's Cut, is an expert on
underground sensing technology
Full Transcript
00:00:01.000 --> 00:00:03.024
Geophysicist Tim Bechtel,
00:00:03.032 --> 00:00:06.000
who joined me earlier
to investigate Duffy's Cut,
00:00:06.008 --> 00:00:09.032
is an expert on
underground sensing technology.
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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...