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Stonehenge

STONEHENGE, UNITED KINGDOM - NOVEMBER 20: A dramatic sunset acts as a backdrop to Stonehenge on November 20, 2008 in Stonehenge, England. (Photo by Mike Hewitt/Getty Images)

Mysterious Stonehenge

January 1, 1970

Stonehenge,

one of world's the most famous ancient landmarks, has been studied for

centuries. Now, new evidence provides insight into the construction of

the famous stone circle.