Sony World Awards

At a gala ceremony in London, Norwegian photographer Andrea Gjestvang won L’Iris d’Or, awarded to the Sony World Photography Awards Photographer of the Year, plus $25,000. Andrea's winning portfolio One Day in History is a powerful series of portraits of youngsters who survived the terrible massacre on the island of Utoeya in 2011. This photo shows Iselin Rose Borch, 15, who sleeps with a pet dog to try to overcome the trauma of her experience. CLICK for a Telegraph slide show of award-winning photos.