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Popular Mechanics

Popular Mechanics

Archaeologists Found 345 Ancient Stone Circles That Tell a New Story About Humans

Popular Mechanics
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Archaeologists recently discovered a set of standing stone circles in northwest Saudi Arabia .

The structures were individual dwellings, constructed in concentrations of varying numbers with associated domestic installations, such as hearths.

The circles range in diameter from 13 to 26 feet , and all date to about 7,000 years ago .

Along with the stone houses, the team found rectangular structures made of stone.