KOBLENZ, GERMANY - MAY 2011: Unidentified people enjoying the BUGA flower show on May 25, 2011 in Koblenz, Germany. The BUGA 2011 flower show (Bundesgartenschau), one of the largest flower shows in the world is located in a different city every two years and runs from April till October. In 2011 it is located in Koblenz. The photo was taken in front of the city's Electoral Palace (Kurfuerstliches