About 5000 candles arrange to a globe lights in front of the Brandenburg Gate prior to the landmark switched off the lights to mark "Earth Hour" in Berlin, Saturday, March 31, 2012. (AP Photo/Markus Schreiber)

Photo by: Markus Schreiber

About 5000 candles arrange to a globe lights in front of the Brandenburg Gate prior to the landmark switched off the lights to mark "Earth Hour" in Berlin, Saturday, March 31, 2012. (AP Photo/Markus Schreiber)