Crushed cars caused by the March 11 earthquake and tsunami are seen in Ishinomaki, Miyagi prefecture, September 7, 2011, ahead of the six month anniversary this weekend since the disaster.[Photo/Agencies]

Crushed cars caused by the March 11 earthquake and tsunami are collected in Rikuzentakata, Iwate prefecture, September 7, 2011, ahead of the six month anniversary this weekend since the disaster. [Photo/Agencies]