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Demise of ancient city unearthed

Associated Press
In this photo taken Friday, July 16, 2010, a monk strolls through Angkor Wat in Siem Reap province, about 143 miles (230 kilometers) northwest of Phnom Penh, Cambodia. More than 1-million visitors come annually to see the ancient temple remains that dot the sprawling Angkor region.  For Cambodians, the temples are nothing less than a symbol of their nation. (AP Photo/Eugene Hoshiko)

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The ancient city of Angkor — the most famous monument of which is the breathtaking ruined temple of Angkor Wat — might have collapsed due to valiant but ultimately failed efforts to battle drought, scientists now believe.

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