Medieval camel bones found at Belgrade Fortress reveal long-distance trade links
Medieval camel bones found at Belgrade Fortress reveal trade links, while animal remains trace changes in livestock use since Roman times.
Easter Island statues may have 'walked' thanks to 'pendulum dynamics' and with as few as 15 people, study finds
Simple physics may explain how the Easter Island statues could "walk" miles with only a handful of people, but the debate over their transport is far from over.
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