Sandbags frame a 1.8 ton WWII bomb in river Rhine near Koblenz Saturday Dec. 3, 2011. Officials in Germany's western city of Koblenz say some 45,000 residents have to be evacuated because of a World War II era bomb discovered in the Rhine river. The bomb was discovered in the Rhine after its water level fell significantly amid a prolonged lack of rain. (AP Photo/dapd/ Harald Tittel)