The Brandenburger Gate is seen in darkness during Earth Hour in Berlin, 

The Brandenburger Gate is seen in darkness during Earth Hour in Berlin, Saturday, March 23, 2013. Earth Hour was marked worldwide at 8.30 p.m. local time and is a global call to turn off lights for 60 minutes in a bid to highlight the global climate change.(AP Photo/Markus Schreiber)
Associated Press
The Brandenburger Gate is seen in darkness during Earth Hour in Berlin, Saturday, March 23, 2013. Earth Hour was marked worldwide at 8.30 p.m. local time and is a global call to turn off lights for 60 minutes in a bid to highlight the global climate change.(AP Photo/Markus Schreiber)
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