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Instead, this mound
likely served a dual purpose for the natives who constructed it
likely served a dual purpose for the natives who constructed it
Full Transcript
00:00:01.000 --> 00:00:04.028
Instead, this mound
likely served a dual purpose
00:00:04.036 --> 00:00:06.036
for the natives who constructed it.
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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...