As if those changes all occurred in the course of one generation or three.
perhaps the art of the hunter-gatherers possibly changed to cope with the new, unfamiliar world.
As if those changes all occurred in the course of one generation or three.
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Just like the Sumerians are supposed to have created math, astronomy, written language, laws and so on all at once arising overnight from hunter-gatherers and farming cultures.
Allowing for one or two hundred years for the tree to grow to the size needed that would put the carving around 9,400 BC which makes it considerably younger that the unknown advanced culture that built Gobekli Tepe in 12,500 BC, or the Jomon who were sailing the Black Current in the Pacific south toward South America in 14,000 BC.