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Tuesday, June 7, 2016

Mysterious underground stone rings made by Neanderthals

"Two mysterious stone rings found deep inside a French cave were probably built by Neanderthals about 176,500 years ago, proving that the ancient cousins of humans were capable of more complex behavior than previously thought, scientists say.
The structures were made from hundreds of pillar-shaped mineral deposits, called stalagmites, which were chopped to a similar length and laid out in two oval patterns up to 40 centimeters (16 inches) high. They were discovered by chance in 1990, after remaining untouched for tens of thousands of years because a rockslide had closed the mouth of the cave at Bruniquel in southwest France."