Ancient people may have used human skulls for cups and other body parts for tools, according to a burial site in Spain

Tech Insider
The opening of Cueva de los Marmoles in Spain, which is dark inside and shows greenery and rocks outside
The opening to Cueva de los Marmoles, where many prehistoric people buried their dead for millennia.

J.C. Vera Rodríguez, CC-BY 4.0

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