You know those 17,000 year

You know those 17,000 year old cave paintings in France that have spawned all kinds of speculation about the culture of the artists? A German researcher has found patterns in the paintings that suggest it’s a map of the sky. Perhaps it’s astronomy that’s the worlds oldest profession. While you’re pondering the past, consider this prehistoric map of the moon carved into a tomb wall 5,000 years ago.

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