Ice sculptures by Brazilian artist Nele Azevedo melt on the steps of Berlin's Concert Hall at the Gendarmenmarkt on September 2, 2009. The event, which saw participants place some 1,000 ice sculptures, was sponsored by the WWF to attract attention to the earth's melting poles due to global warming. AFP PHOTO JOHN MACDOUGALL (Photo credit should read JOHN MACDOUGALL/AFP/Getty Images)