from blog.prehistoricshamanism.com: By Mike Williams: “When we think of ancient astronomy, we probably conjure up visions of Stonehenge, or maybe the Mayan calendar stones, but a new discovery in Scotland has eclipsed these by several thousand years. Mesolithic hunter-gatherers, living around 10,000 years-ago, constructed a sophisticated calendar at Crathes Castle, in Aberdeenshire, Scotland, which, although…

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