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Stonehenge
Eeerm - the LAST ICE AGE?!? ended 10,000yrs ago?!?
C'mon, the Younger Dryas, an intermittent period of cold ended about 10K years ago. The last ice age ended approx. 20,000yrs ago.
From about 16K years ago Britain was re-colonized by humans and unless this is taken into account, efforts to determine the why's and wherefore's of Stonehenge are doomed to failure.