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Colossal stone monument built 1,000 years before Stonehenge shows neolithic engineers understood science.

From @Smithsonianmag: "A recent study of the Menga dolmen in Spain reveals complex construction techniques used roughly 6,000 years ago."

https://flip.it/hZTfa9

Here's the original study from Science Advances: https://www.science.org/doi/10.1126/sciadv.adp1295

#Engineering #Archaeology #Anthropology #Science #History #Spain