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Saudi desert

Google Earth discovers mystery ancient stone structures in Saudi desert

SYDNEY: Nearly 400 mysterious ancient stone structures have been identified in the Saudi Arabian desert by an Australian researcher using Google Earth. David Kennedy, whose team has spent decades recording thousands of archaeological sites in the Middle East, said the man-made edifices, known as "gates", are thought to have been constructed between 2,000 to 9,000 years ago. But their purpose and function are a mystery. "You can't see them in any intelligible way at the ground level but once you get up a few hundred…