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like the Cahokia mounds in Illinois, which were part
of a thriving ancient city, complete with
a towering central plaza, or the remnants of ridges and hills
that mark prehistoric settlements at Watson Brake and Poverty Point
in Louisiana - or effigy mounds scattered around
the country, some of which help chart the alignment of plants
and stars important to the builders
of a thriving ancient city, complete with
a towering central plaza, or the remnants of ridges and hills
that mark prehistoric settlements at Watson Brake and Poverty Point
in Louisiana - or effigy mounds scattered around
the country, some of which help chart the alignment of plants
and stars important to the builders
Full Transcript
00:00:01.000 --> 00:00:03.006
like the Cahokia mounds in Illinois,
00:00:03.068 --> 00:00:06.016
which were part
of a thriving ancient city,
00:00:06.024 --> 00:00:09.002
complete with
a towering central plaza,
00:00:09.028 --> 00:00:13.999
or the remnants of ridges and hills
that mark prehistoric settlements
00:00:13.012 --> 00:00:16.002
at Watson Brake and Poverty Point
in Louisiana -
00:00:16.076 --> 00:00:19.048
or effigy mounds scattered around
the country, some of which
00:00:19.056 --> 00:00:23.088
help chart the alignment of plants
and stars important to the builders.
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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...