Winners have been announced for all categories of the 2013 Sony World Photography Awards, with Andrea Gjestvang of Norway taking out the L’iris d’Or prize for her coverage of young survivors of the massacre at Utoeya, Norway in July 2011.

In a unanimous decision by this year’s Honorary Jury, Gjestvang’s series was acclaimed for sharing ‘with immense sensitivity and honest an enduring testament to the resolve of these young people in the face of this unspeakable tragedy’. Also at the awards, a twenty-one year old amateur photographer from Hanoi, Vietnam, who incredibly only bought his first digital camera one year ago, was announced as the Open Photographer of the Year.

Winners of the professional categories are as follows:
Architecture – Fabrice Fouillet, France
Arts and Culture – Myriam Meloni, Italy
Campaign – Christian ø…slund, Sweden
Conceptual – Roman Pyatkovka, Ukraine
Contemporary Issues – Valerio Bispuri, Italy
Current Affairs – Ilya Pitalev, Russia
Fashion – Klaus Thymann, Denmark
Landscape – Nenad Saljic, Croatia
Lifestyle – Alice Caputo, Italy
Nature & Wildlife – Satoru Kondo, Japan
People – Andrea Gjestvang, Norway
Portraiture – Jens Juul, Denmark
Sport – Adam Pretty, Australia
Still Life – Vanessa Colareta, Peru
Travel – Gali Tibbon, Israel

Iconic American photographer William Eggleston was awarded the Outstanding Contribution to Photography prize.       Collected by Winston Eggleston on behalf of their father, the award was presented to William Eggleston for his influence on colour photography and, in turn, the influence he has on many of today’s most revered working photographers.

Full details of the winners can be found at . Galleries of all the professional winning and finalist images can be seen  here.