National Geographic Photos of the Year 2012

National Geographic Editor in Chief Chris Johns shares his favorite images that appeared in the magazine in 2012. Congratulation to Martin Schoeller, Paolo Pellegrin, Paul Nicklen, Michael ‘Nick’ Nichols, Aaron Huey, Stephanie Sinclair, Mitch Dobrowner, Lynn Johnson, Karla Gachet and Ivan Kashinsky for the great work!