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Stonehenge

STONEHENGE, ENGLAND - DECEMBER 22: Hundreds of druids and pagans celebrate the winter solstice at Stonehenge on December 22, 2009 in Wiltshire, England. Hundreds of people gathered at the famous stone circle to celebrate the sunrise closest to the Winter Solstice, the shortest day of the year. (Photo by Matt Cardy/Getty Images)

Mysterious Stonehenge

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.