Wearing a protective suit and a mask, US Ambassador to Japan Caroline Kennedy looks around at the central control room for the unit one and unit two reactors of the tsunami-crippled Fukushima Dai-ichi nuclear plant of Japan's Tokyo Electric Power Co. (TEPCO) in Okuma town in Fukushima prefecture on May 14, 2014. Kennedy toured the crippled Fukushima nuclear power plant for the first time on May 14, pledging continued US help with the clean-up.       AFP PHOTO/POOL/Toru YAMANAKA        (Photo credit should read TORU YAMANAKA/AFP/Getty Images)