

On March 22, pet shop owner Ryo Taira (l.) and his colleague Takeshi Hana prepare to release into the sea a baby porpoise that was found stranded in a paddy field after being washed away by the March 11 tsunami in Sendai, Japan. The little dolphin now is back in the ocean. Dogwood/AP
Volunteers from the private sector of the Netherlands and their search dog look for missing people in a devastated area in Ofunato, Japan, on March 22, following the March 11 earthquake and tsunami. Shohei Izumi/The Yomiuri Shimbun/AP
A rescue worker sifts through debris during a search in Natori, Japan, on March 21, following the March 11 earthquake and tsunami that devastated the northeast coast of Japan. Mark Baker/AP
An Urban Search and Rescue officer from South Africa walks along a road during a search of a suburb in Natori, Japan, on March 21. Mark Baker/AP
A bus takes residents on a tour through their devastated suburb as rescue workers continue to search through the debris in Natori, Japan, on March 21. Mark Baker/AP
80-year-old Sumi Abe (c.) is helped by emergency workers after being rescued from under the rubble in Ishinomaki City, Miyagi Prefecture, northern Japan, in this picture taken by Nikkei Shimbun on March 20. Sumi and her 16-year-old grandson Jin Abe were found alive on Sunday under the rubble in the Japanese city of Ishinomaki in northeast Japan, nine days after the region was devastated by a massive earthquake and tsunami, NHK public TV said. Asahi Shimbun/Reuters
Jin Abe (c.), 16, is carried by rescue workers from the rubble in Ishinomak City, northern Japan, in this picture taken by Nikkei Shimbun on March 20. The 16-year-old youth and his 80-year-old grandmother, Sumi Abe, were found alive on Sunday under the rubble in the Japanese city of Ishinomaki in northeast Japan, nine days after the region was devastated by a massive earthquake and tsunami. Nikkei Shimbun/Reuters
A man, who was pulled alive from the rubble eight days after Japan's powerful earthquake and tsunami, is transported out of an ambulance at a hospital in Kesennuma in Miyagi Prefecture March 19, in this still image taken from NHK video. The man, in his 20s, was in shock and unable to speak when he was found in Kesennuma in Miyagi Prefecture, which was one of the regions hardest hit by the magnitude 9.0 earthquake, a spokesman said. NHK via Reuters TV/Reuters
A Chinese search and rescue team observes a moment of silence at the devastated city of Ofunato, Japan, on March 18, just one week after a massive earthquake and resulting tsunami. Masamichi Genko/Yomiuri Shimbun/AP Photo
Russian rescue workers gather before beginning the day's operations at the tsunami-hit city of Ishinomaki, Japan, on March 18. Kyodo News/AP
Japanese citizens move food and water out of an HH-60H Sea Hawk helicopter from the Black Knights of Helicopter Anti-Submarine Squadron 4 in northern Japan on March 15. Ships and aircraft from the Ronald Reagan Carrier Strike Group are conducting rescue and resupply missions after the earthquake and tsunami of March 11. U.S. Navy, Mass Communication Specialist 3rd Class Alexander Tidd/AP
Members of a British search and rescue team fit their dosimeters, which monitor radiation levels, before deploying for the day to search for tsunami survivors from their base at the Setamai school in Sumita, Japan on March 16. Matt Dunham/AP
Rescue workers search for survivors in buildings wrecked by an earthquake and tsunami in Natori City, Japan, on March 16. Kyodo/Reuters
Members of a British search and rescue team search a smoldering industrial facility damaged by the earthquake and tsunami of March 11 in Ofunato, Japan, on March 15. Matt Dunham/AP
Members of a US rescue team with a sniffer dog search for victims in Ofunato, Japan, on March 15. Itsuo Inouye/AP
Rescue workers walk in heavy snowfall at a factory area that was devastated after being hit by an earthquake and tsunami in Sendai, Japan, on March 16. Kim Kyung-Hoon/Reuters
Members of the Japan Ground Self-Defense Force search a tsunami-damaged part of Ofunato, Japan, on March 15. Matt Dunham/AP
US search and rescue team members search through the rubble in Ofunato, Japan, on March 15. Kyodo News/AP
A member of the British rescue team searches for victims in the tsunami-hit area in Ofunato, Japan, on March 15. Itsuo Inouye/AP
Rescue workers walk past a destroyed car during heavy snowfall at a factory area in Sendai, Japan, on March 16. Kim Kyung-Hoon/Reuters