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Pumapunku’s identical stone blocks look so machined that engineers still can’t explain them
Architects who measured the andesite blocks at Pumapunku, Bolivia, found that many of them are perfect replicas of one another, carved to tolerances that still puzzle engineers familiar with ancient ...
Oldowan stone tools made from a variety of raw materials sourced more than 6 miles away from where they were found in southwestern Kenya. The development of the Oldowan toolkit made it possible for ...
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