A swan swims at Lake Toepper (Toeppersee) in the western German city of Duisburg on March 11, 2010. Small signs of the approaching spring can be seen in many parts of Germany, despite continuing cold weather. By Jens Schlueter/AFP/Getty Images.
A swan swims at Lake Toepper (Toeppersee) in the western German city of Duisburg on March 11, 2010. Small signs of the approaching spring can be seen in many parts of Germany, despite continuing cold weather. By Jens Schlueter/AFP/Getty Images.