Czech soldiers erect metal barriers at a bank of Vltava river in central Prague June 3, 2013. Volunteers piled up sandbags to keep a swollen river from overwhelming the Czech capital's historic centre on Monday after floods across central Europe forced factories to close, drove thousands from their homes and killed at least seven people. [Photo/Agencies]

Czech soldiers erect metal barriers at a bank of Vltava river in Prague's Holesovice district, June 3, 2013. The worst floods to hit the Czech Republic in a decade forced the evacuation of almost 2,700 people from low-lying areas while the rising water threatened Prague's historic centre, forced school closures and disrupted public transport. [Photo/Agencies]