The Japanese authorities are conducting a third day of their latest intensive search for upto 12 000 people, still missing since the earthquake and tsunami in March.
The 25 000 strong team includes the US military, Japanese police and other groups.
They are concentrating on the areas hardest hit, around Iwati, Miyagi and Fukushima districts.
50 boats have been mobilized as well as 90 aircraft.
The search also includes the 30 kilometre exclusion zone around the Fukushima nuclear plant.
Video filmed on Sunday showed dead cattle inside the 20 kilometre no-go zone. They starved to death because farmers are forbidden from entering the zone to feed them.
Japan is also struggling to get its infrastructure back to normal.
On Monday high-speed rail services partially resumed between Tokyo and Sendai city in the Miyagi district.
The route had been suspended for six weeks due to numerous aftershocks. The authorities say they hope to have the line fully operational by the 29th of April.
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