Tomas van Houtryve, a Belgian photographer of VII on assignment for Harper's Magazine, won the Third Prize in the Contemporary Issues Category, Stories, of the 2015 World Press Photo contest with his series of pictures taken with a camera mounted on a drone, which includes this one of students in a schoolyard in El Dorado County, California, in this picture taken December 16, 2013 and released by the World Press Photo on February 12, 2015. The prize-winning entries of the World Press Photo Contest 2015, the world's largest annual press photography contest, were announced February 12, 2015. [Photo/Agencies]