70. A helicopter flies past Japan's Fukushima Daiichi No.1 Nuclear reactor March 12, 2011. Japanese nuclear authorities said that there was a high possibility that nuclear fuel rods at a reactor at Tokyo Electric Power's Daiichi plant may be melting or have melted, Jiji news agency reported. REUTERS/Kim Kyung-Hoon
71. This combination photo shows smoke rising from Fukushima Daiichi 1 nuclear reactor after an explosion March 12, 2011 in this still image sequence (from L-R, top to bottom) taken from video footage. An explosion blew the roof off the unstable reactor north of Tokyo on Saturday, Japanese media said, raising fears of a disastrous meltdown at a nuclear plant damaged in the massive earthquake that hit Japan. REUTERS/NTV via Reuters TV
72. Burned-out cars are pictured at Hitachi Harbour in Ibaraki Prefecture in northeastern Japan March 12, 2011. Japan confronted devastation along its northeastern coast on Saturday, with fires raging and parts of some cities under water after a massive earthquake and tsunami that likely killed at least 1,000 people. REUTERS/Kyodo
73. Cars swept by a tsunami are seen after an earthquake in Hitachi City, Ibaraki Prefecture March 12, 2011. Japan confronted devastation along its northeastern coast on Saturday, with fires raging and parts of some cities under water after a massive earthquake and tsunami that likely killed at least 1,000 people. REUTERS/Yomiuri
74. People look at destroyed houses in Kesennuma City, Miyagi Prefecture in northeastern Japan March 12, 2011. Japan confronted devastation along its northeastern coast on Saturday, with fires raging and parts of some cities under water after a massive earthquake and tsunami that likely killed at least 1,000 people. REUTERS/Kyodo
75. Smoke rises in the distance behind destroyed houses in Kesennuma City in Miyagi Prefecture in northeastern Japan March 12, 2011. Japan confronted devastation along its northeastern coast on Saturday, with fires raging and parts of some cities under water after a massive earthquake and tsunami that likely killed at least 1,000 people. REUTERS/Kyodo
76. A woman who was trapped in her home is carried by a Japan Self Defense Force soldier in Kesennuma City in Miyagi Prefecture in northeastern Japan March 12, 2011. Japan confronted devastation along its northeastern coast on Saturday, with fires raging and parts of some cities under water after a massive earthquake and tsunami that likely killed at least 1,000 people. REUTERS/Kyodo
77. A man who was trapped by a tsunami is rescued by a Japan Self-Defense Force soldier in Kesennuma City in Miyagi Prefecture in northeastern Japan March 12, 2011. Japan confronted devastation along its northeastern coast on Saturday, with fires raging and parts of some cities under water after a massive earthquake and tsunami that likely killed at least 1,000 people. REUTERS/Kyodo
78. People walk to an evacuation centre in Natori City in Miyagi Prefecture in northeastern Japan March 12, 2011. Japan confronted devastation along its northeastern coast on Saturday, with fires raging and parts of some cities under water after a massive earthquake and tsunami that likely killed at least 1,000 people. REUTERS/Yomiuri
79. Japan Self-Defence Force troops walk atop a wall to get around a car tossed by a tsunami and earthquake in Kesennuma City, Miyagi Prefecture in northeastern Japan March 12, 2011. Japan confronted devastation along its northeastern coast on Saturday, with fires raging and parts of some cities under water after a massive earthquake and tsunami that likely killed at least 1,000 people. REUTERS/Kyodo
80. A boat and cars swept by a tsunami are seen on a street in Miyako City, Iwate Prefecture in northeastern Japan March 12, 2011. Japan confronted devastation along its northeastern coast on Saturday, with fires raging and parts of some cities under water after a massive earthquake and tsunami that likely killed at least 1,000 people. REUTERS/Kyodo