In the pink: Stunning photo of 1.5million flamingos on lake

A simmering sea of pink, they are one of the marvels of the natural world. This astonishing picture taken by specialist aerial photographer Yann Arthus-Bertrand shows flamingos on Lake Nakuru in Kenya’s Rift Valley, where up to 1.5 million have been seen at a time. Widely regarded as the greatest...