1st Prize Contemporary Issues Stories: Tahani, who married her husband Majed when she was 6 years old and he was 25 years old, poses for a portrait with her former classmate Ghada, also a child bride outside their mountain home in Hajjah, Yemen, June 10, 2010. Nearly half of all women in Yemen were married as children. (Stephanie Sinclair/VII Photo Agency/National Geographic Magazine) #

1st Prize Daily Life Stories: Marco leads Monica from their bedroom to the living room in Buenos Aires. Monica was diagnosed with Alzheimer's disease. (Alejandro Kirchuk) #

2nd Prize Arts and Entertainment Singles: A model poses in front of a tailor in the center of Dakar, Senegal, July 9, 2011. She wears a creation of designer Yolande Mancini, participating in the 9th edition of Dakar Fashion Week. (Vincent Boisot/Riva Press/Le Figaro Magazine) #

1st Prize Daily Life Singles: A photograph of North Korea's founder, Kim II-sung, hangs on a building in the capital of Pyongyang, North Korea, Oct. 5, 2011. (Damir Sagolj/Reuters) #

1st Prize General News Singles: Protestors cry, chant and scream in Cairo's Tahrir Square after listening to a speech in which Egyptian President Hosni Mubarak said he would not give up power in Cairo, Egypt, Feb. 10, 2011. (Alex Majoli/Magnum Photos/Newsweek) #

1st Prize People in the News Stories: Chieko Matsukawa shows her daughter's graduation certificate, after she found it in the debris in Higashimatsushima City, Miyagi prefecture, Japan, April 3, 2011. (Yasuyoshi Chiba/AFP) #

1st Prize Nature Singles: A male polar bear climbs precariously on the face of a cliff above the ocean at Ostrova Oranskie in northern Novaya Zemlya, attempting to feed on seabird eggs. (Jenny E. Ross) #

1st Prize Nature Stories: A female rhino that has survived a brutal dehorning by poachers using a chainsaw four months earlier at the Tugela Private Game REserve, Colenso, Natal, South Africa, Nov. 9, 2010. (Brent Stirton/Reportage Betty Images/National Geographic Magazine) #

2nd Prize General News Stories: Tsunami aftermath, Japan, April 14, 2011. (Paolo Pellegrin/Magnum Photos/Zeit Magazin) #

1st Prize Portrait Singles: Iranian-born Danish actress Mellica Mehraban, Copenhagen, May 4, 2011. (Laerke Posselt) #

2nd Prize Portrait Stories: A recruit at a police training center, Kunduz, Afghanistan, Sept. 28, 2011. (Ton Koene) #

2nd Prize Spot News Singles: Rebels in Ras Lanuf, Libya, March 11, 201. (Yuri Kozyrev/Noor Images/Time) #

2nd Prize Spot News Stories: Anders Behring Breivik killed 69 people, July 22, 2011, on the small island of Utoya outside of Oslo, Norway. (Niclas Hammerstrom/Aftonbladet) #

2nd Prize Sports Singles: A rugby match between Old Belvedere and Blackrock, Dublin, Ireland, Feb. 5, 2011. (Ray McManus/Sportsfile) #

2nd Prize Sports Stories: Divers practice during the 14th FINA World Championships at the Oriental Sprots Center in Shanghai, China, July 17, 2011. (Adam Pretty/Getty Images) #