Students take shelter under desks during an earthquake simulation exercise at an elementary school in Tokyo March 11, 2014. Schools in Chiyoda ward, one of the central wards in Tokyo, held an annual evacuation drill to prepare for a major earthquake in Tokyo, on the day of the third anniversary of the March 11, 2011 earthquake and tsunami that killed thousands. About 5,000 students participated in the exercises in Chiyoda ward, the official says. (Yuya Shino/Reuters)
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