you've also got to wonder what life was like in an environment where you needed to build things out of massive stone slabs.  those various younger dryas people paint a picture of where the meteor showers we still have today were much much more dangerous. like there was a reason they built fairly large structures to calculate the time of year because you had constant events where the sky was raining death and destruction so you had to know pretty well when you needed to go underground for awhile
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