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Anthropology

(63,523 posts)

1. And the stalactites were painted white. To tell up from down. These were very primitive times. ...

Sat Aug 21, 2021, 08:23 AM

Aug 2021

... either that or OSHA enforced its rules on marking hazards with safety red even back then.

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Neanderthals painted stalagmites red [View all] Judi Lynn Aug 2021 OP