World landmarks dimmed for Earth Hour
Earth Hour
Credit: Getty Images
BERLIN, GERMANY - MARCH 31: The Brandenburg Gate stands almost unilluminated during Earth Hour 2012 on March 31, 2012 in Berlin, Germany. According to organizers, Earth Hour 2012 has participants including individuals, companies and landmarks in 147 countries and territories and over 5,000 cities, agreeing to switch off their lights for one hour. The Brandenburg Gate, the Eiffel Tower in Paris, Big Ben Clock Tower in London, the Christ the Redeemer statue in Rio de Janeiro and the Empire State Building in New York are among the monuments whose operators have agreed to participate in the demonstration. (Photo by Adam Berry/Getty Images)
