Join the conversation
Log in or create an account to leave a comment
Log In
Instead of finding softer,
clay-rich soil we discovered that a hard layer
of dry, granular material runs under this entire area, which means these mounds
couldn't be gilgai
clay-rich soil we discovered that a hard layer
of dry, granular material runs under this entire area, which means these mounds
couldn't be gilgai
Full Transcript
00:00:01.000 --> 00:00:03.084
Instead of finding softer,
clay-rich soil
00:00:03.092 --> 00:00:07.044
we discovered that a hard layer
of dry, granular material
00:00:07.052 --> 00:00:09.006
runs under this entire area,
00:00:09.068 --> 00:00:12.008
which means these mounds
couldn't be gilgai.
Want This Clip in HD?
Upgrade for HD/4K downloads and unlimited access. Upgrade now →
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...