A polar bear jumps into the water in its enclosure on a sunny day at Schoenbrunn zoo in Vienna June 9, 2009.
Children are silhouetted as they stand in front of an art installation in the aquarium at Schoenbrunn zoo in Vienna June 9, 2009. The Exhibition "Trouble in Paradise" shows man made contaminants in animal environment to make visitors think about environmental pollution
A penguin swims in front of an art installation inside its enclosure at Schoenbrunn zoo in Vienna June 9, 2009. The Exhibition "Trouble in Paradise" shows man made contaminants in animal environment to make visitors think about environmental pollution
A couple relax in a boat as they pass by the UN headquarters, on the Alte Donau river in Vienna June 9, 2009.
Boats pass Alte Donau river in front of Vienna's UN headquarters, on a sunny day in Vienna June 9, 2009.
Sailing boats are tied to a pier at the Alte Donau river on a sunny day in front of Vienna's UN headquarters in Vienna June 9, 2009.
