Ducks swim past a submerged vehicle after the earthquake and tsunami in Yamada town, Iwate Prefecture in northern Japan, March 24, 2011. The Japanese government on Wednesday estimated the direct damage from a deadly earthquake and tsunami that struck the country's northeast this month at as much as $310 billion, making it the world's costliest natural disaster. REUTERS/Carlos Barria (JAPAN - Tags: ANIMALS DISASTER IMAGES OF THE DAY)