Neanderthals painted stalagmites red
Ochre pigments reveal 65,000-year-old Spanish cave paintings.
Deep in Cueva de Ardales (Cave of Ardales) in Spain, stalagmites have been painted red by artistic Neanderthals, acco...
red ochre
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Understanding the allure of red ochre
Researchers dive into early Mexican history.
Red ochre was so valuable to the Paleoindians of the early Americas that they were willing to risk their lives to col...