Africa from the air

An aerial view of Nabiyotum Crater in Lake Turkana - the world's largest desert lake and the world's largest alkaline lake - in the Great Rift Valley in Kenya. Photographer Martin Harvey said: "These photographs were taken while accompanying clients on exclusive helicopter safaris in Namibia, Botswana and Kenya. I take top business people and entrepreneurs.
Picture: Martin Harvey / Barcroft MediaAerial view of a Maasai boma or livestock enclosure in KenyaPicture: Martin Harvey / Barcroft Media
 Magado Crater, located at the northeast tip of the Nyambeni mountain range in Kenya.Picture: Martin Harvey / Barcroft Media