"If you have your camera up to your eye, you can't keep track of what's going on," says photographer Mark Cohen. "By holding my camera down here" – he gestures to his waist – "I can suddenly take pictures."
Tony Blair grins for his photograph as he holds up his smartphone to take a selfie. He's delighted with himself and what he's done. Behind him, black smoke and hellish flames bloom over an arid landscape.
The results of the wildlife photographer of the year 2013 competition have been announced at London's Natural History Museum. The overall winner is South African photographer Greg du Toit for his picture