Images Released of the Tsunami Striking Fukushima

Close Up
U.S. officials believe that spent fuel in reactor No. 4, above, is exposed to air, while the plant's officials deny that and say that they do not know. On March 16, 2011, when this photograph was taken, a U.S. nuclear regulatory official said that there was little or no water left in the storage pool that is supposed to keep the spent fuel rods cool.

• Photos: Japan Hit by Devastating Earthquake and Tsunami