In this photo taken on Aug. 14, 2009, a small boat travels on the Danube River in front of the Hungarian Parliament Building. (AP Photo/Carey J. Williams)

A woman dives in a lake in the Lobau area, the floodplain forest along the Danube River, as she enjoys the last summerdays in Vienna September 7, 2009. REUTERS/Herwig Prammer (AUSTRIA SOCIETY ENVIRONMENT IMAGES OF THE DAY)

View from Castle Hill in Buda looking over the Danube River towards Pest. The bronze statue of the giant eagle represents Tural, the mythical eagle that would have guided the ancient Hungarian people on their travels. Budapest, HUNGARY - October 2008 ...