Photos: Cities dim for 'Earth Hour'
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Credit: Getty Images
NEW YORK, NY - MARCH 31: Times Square is seen in darkness as part of Earth Hour on March 31, 2012 in New York City. (Photo by John Lamparski/Getty Images)
Credit: Getty Images
NEW YORK, NY - MARCH 31: Times Square is seen in darkness as part of Earth Hour on March 31, 2012 in New York City. (Photo by John Lamparski/Getty Images)
