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These findings
won't help us determine why Serpent Mound was built, but it could be a big clue
about who built it
won't help us determine why Serpent Mound was built, but it could be a big clue
about who built it
Full Transcript
00:00:01.000 --> 00:00:02.084
These findings
won't help us determine
00:00:02.092 --> 00:00:04.072
why Serpent Mound was built,
00:00:04.008 --> 00:00:07.076
but it could be a big clue
about who built 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...