A wave caused by a tsunami flows into the city of Miyako from the Heigawa estuary in Iwate Prefecture after a magnitude 8.9 earthquake struck Japan March 11, 2011. (Mainichi Shimbun /Reuters)

Residents bathe amongst tsunami devastation in Kesennuma city in Miyagi prefecture on April 14, 2011. (Yasuyoshi Chiba/AFP/Getty Images)

A protester holds a soldier's leg for safety as shots are fired in front of the headquarters of the Constitutional Democratic Rally party of ousted president Zine al-Abidine Ben Ali during a demonstration in downtown Tunis on January 20, 2011. (Zohra Bensemra /Reuters) #

Family members grieve during the funeral procession of anti-government protester Abdul Ridha Mohammed on February 22, 2011 in Malkiya, Bahrain. He had been shot in the head when security forces attacked anti-government demonstrators. (John Moore/Getty Images)

Anti-government protesters celebrate inside Tahrir Square after the announcement that Egyptian President Hosni Mubarak had resigned on February 11, 2011. (Amr Abdallah Dalsh/Reuters)

Anti-government activists clash with riot police in Cairo on January 28, 2011. (Ben Curtis/AP)

A rebel fighter celebrates as his comrades fire a rocket barrage toward the positions of government troops on April 14, 2011 west of Ajdabiyah, Libya. (Chris Hondros/Getty Images)

Rebels hold a young man at gunpoint who they accuse of being a government loyalist, between the towns of Brega and Ras Lanuf in Libya on March 3, 2011. (Goran Tomasevic /Reuters)

A motorcycle policeman burns as his colleague tries to help him after protesters threw a petrol bomb in Athens on February 23, 2011. Scores of youths hurled rocks and petrol bombs at riot police after clashes broke out during a general strike. (Dimitri Messinis/AP)

Two men celebrate after being pulled out from a destroyed building in Christchurch, New Zealand on February 22, 2011, 24 hours after a massive earthquake struck. (John Kirk-Anderson/Christchurch Press/Reuters)

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge, kiss as Bridesmaids Grace Van Cutsem and Margarita Armstrong-Jones look on from the balcony at Buckingham Palace in London after the Royal wedding April 29, 2011. (Peter Macdiarmid/Getty Images)

A southern Sudanese woman shows her inked finger after voting at a polling center in Khartoum on January 10, 2011. The historic vote created the world's newest nation as South Sudan gained independence. (Khaled Desouki/AFP/Getty Images)

Supporters of incumbent President Laurent Gbagbo raise their hands in a show of support at a rally in the Yopougon district of Abidjan, Ivory Coast on January 9, 2011. Gbagbo refused to recognize the results of a long-delayed election that he lost, and a long period of conflict ensued before he was removed from office. (Rebecca Blackwell/AP)

Visitors wearing rabbit ear headbands watch a night parade held to celebrate Chinese New Year -- the year of the rabbit -- in Hong Kong on February 3, 2011. (Tyrone Siu/Reuters)

Cambodian displaced people receive government aid at their shelter in a Buddhist pagoda after fleeing their villages near the 11th-century Preah Vihear temple on the border between Thailand and Cambodia on February 9, 2011. Thailand and Cambodia waged an armed standoff surrounding the 900-year-old temple, causing villagers to flee. (Damir Sagolj/Reuters)

A skier jumps before the Sapporo skyline during an official training session of the World Cup ski jumping competition at Okurayama Hill on January 14, 2011. (Kazuhiro Nogi/AFP/Getty Images)

Associated Press photographer David Guttenfelder was given unprecedented access to North Korea, and gave many people their first look at the reclusive country, including a Pyongyang skyline view on April 12, 2011. (David Guttenfelder/AP)

A float from the Beija Flor samba school parades through the Sambadrome during carnival celebrations in Rio de Janeiro on March 8, 2011. (Felipe Dana/AP)

A vendor jumps from the top of one overcrowded train to another on January 23, 2011 as thousands of Muslims return home after attending the three-day Islamic Congregation on the banks of the River Turag in Tongi, Bangladesh. The congregation, held each year since 1966, is among the world's largest religious gatherings. (Pavel Rahman/AP)

As the Cricket World Cup played out in host countries India, Bangladesh, and Sri Lanka, children enjoy the game on railway tracks March 10, 2011 in Chittagong, Bangladesh. (Tom Shaw/Getty Images)

A man rides his horse through flames during the "Luminarias" religious celebration on the eve of Saint Anthony's Day in the village of San Bartolome de los Pinares, Spain on January 16, 2011. According to tradition people from the area ride their horses through the fire to purify the animals. (Andrea Comas /Reuters)

The aurora borealis, or northern lights, fill the sky above the Takotna, Alaska checkpoint during the Iditarod Trail Sled Dog Race on March 9, 2011. (Bob Hallinen/The Anchorage Daily News/AP)

The Nyiragongo Crater in the Democratic Republic of Congo is the world's largest lava lake, one of the wonders of the African continent. The crater bubbles 1,300 feet deep. (Olivier Grunewald)

A fisherman arranges a net as his wife paddles their boat in the waters of the Periyar river on the outskirts of Kochi, India on January 5, 2011. (Sivaram V/Reuters)

Twenty five years ago on April 26 the number four reactor in the Chernobyl nuclear power facility exploded. The town of Pripyat, less than two miles from the plant, now sits abandoned, slowly consumed by returning forest. (Sergey Ponomarev/AP)

Men stand next to an auto rickshaw near farmers' fields on January 20, 2011 in Afghanistan. (Kevin Frayer/AP)

A woman uses a stick to rinse her laundry in an ice hole at Siverskoye Lake in the town of Kirillov, Russia on January 17, 2011. (Mikhail Voskresensky/Reuters)

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Best photos of 2011, part 1