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I think they are gold/uranium/diamond mines. these minerals are usually found in channels. depending on the concentration of the minerals, they dug out the sand
by srini1234 15y ago
I think they are gold/uranium/diamond mines. these minerals are usually found in channels. depending on the concentration of the minerals, they dug out the sand/mud and half-filled them with chalk, so that they can take an aerial picture and analyze the area for coverage, further prospecting etc.
- alexwolfe 15y agoSome articles speculated they were nuclear testings sites. In one picture you can see what looks like an explosion with surrounding fallout damage. However there are quite a few different structures so who knows.