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)

 

A pleasure boat sits on top of a building amid a sea of debris in Otsuchi town in Iwate prefecture on March 14, 2011. (Yomiuri Shimbun/AFP/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) #
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) #

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) #