A set of mysterious grooves on a cave floor in France has turned out to be far more than abstract art. Archaeologists now argue that the engravings form the world’s oldest known three-dimensional map, ...
BAY OF AARHUS, Denmark (AP) — Below the dark blue waters of the Bay of Aarhus in northern Denmark, archaeologists search for coastal settlements swallowed by rising sea levels more than 8,500 years ...
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