July 31, 2012, Tokyo, Japan - Former prime minister Naoto Kan speaks during a media conference at Free Press Association of Japan (FPAJ) in Tokyo on Tuesday, July 31, 2012. Kan looked back at the last year's devastating earthquake and nuclear crisis at the Fukushima No. 1 nuclear power plant. (Photo by AFLO)

- Image ID: CMGYN8

July 31, 2012, Tokyo, Japan - Former prime minister Naoto Kan speaks during a media conference at Free Press Association of Japan (FPAJ) in Tokyo on Tuesday, July 31, 2012. Kan looked back at the last year's devastating earthquake and nuclear crisis at the Fukushima No. 1 nuclear power plant. (Photo by AFLO)

Aflo Co. Ltd. / Alamy Stock Photo

Image ID: CMGYN8