You're right, no human would stack and carve rocks like this.
You're right, no human would stack and carve rocks like this.
(Apologies to Ivan Reitman.)
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36 comments
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Sandstone is relatively soft. They could easily carve it with tools made from harder stones. A hammer and chisel is not necessary.
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Grinding is another possibility. Rubbing rocks together isn't a very complicated technology.
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I was making sandstone pyramids as a child. Ground them on the sidewalk.
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Are... are you an alien?
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36 comments