Sossusvlei petrified trees, Namibia

Team Indigenous at the Roller Derby World Cup, England

Mother from the El Molo tribe, Lake Turkana, Kenya

Girl from Kibera, Kenya

Women beading under a tree, Laikipia, Kenya

Victoria Falls/ Mosi-oa-Tunya - 'the smoke that roars', Zimbabwe

Vulture conservation programme, Zimbabwe

Vultures in the sky, Zimbabwe