At least 12 people have been killed in severe flooding that has swamped a large part of central Europe.
The high water is now shifting north from Prague to eastern Germany.
The city of Dresden is inundated. It was last deluged by flood water in 2002.
In the German state of Saxony around ten thousand people have been evacuated from their homes.
Mindful of a looming election, Chancellor Angela Merkel was swiftly on the scene.
“Many people are still in shock from the floods of 2002,” she told the crowd, “and things were just getting rebuilt. The federal government will support the flood-hit areas. For every euro spent by the state, the federal government will give another.”
In Austria, the Danube has not been as high for ten years. 20, 000 emergency personnel have been deployed.
The water barrelling downstream to Klosterneuburg is only a few kilometres from Vienna, where the record levels of 2002 could be passed in the next 24-48 hours. They are expecting levels to rise another 30 centimetres.