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Comment by dylan604

18 hours ago

“No one really knows why people made the rock art they made, at least in many cases,” Harman said

Well, it's obvious they really wanted to though. This isn't like marking on a wall with a Sharpie. They had to work at it to make it happen. The commitment alone is impressive even if it was just a "Grogg was here!"

Decently intentional and deliberate in many if not most cases. There are examples of it in high up places along sheer cliff walls in Arizona that boggle the mind trying to figure out how they managed to accomplish it and at the scale they are, then there are cave paintings that are hundreds of meters deep inside narrow caves in Europe.

It actually makes me wonder if this technique would produce any results in the notorious Erdstalls in Germany. I suspect not, but no one has any better ideas, so it might be worth checking.