Ouagadougou, Burkina Faso

Hambori, Mali

Sofia Hassan Mahmoud and her brother Issac, Somali refugee camp, Mandera, Kenya

Sahan Mohamout Hussein and her daughter Leila, Somali refugee camp, Mandera, Kenya

Fatuma Abdi Hussein and her son Abdullai, Somali refugee camp, Mandera, Kenya

Shilluk Warrior, bearing two spears and a heavy club, contorts his body and face in a fearsome war dance at Malakal on the Upper Nile. The bumps on his forehead, a tribal marking, are raised by rubbing dirt into cuts.

Traditional Birthing Attendant, Nybahire Esteri, holding newborns Nsabimana ("I beg something from God") and Mukanzabonimpa ("God will give me, but I do not know when"), flanked by mothers Kanyange (left), Mukabatazi (right) and Mukabatazi's mother

Gabbra tribal matriarch with women and children, Ethopian Refugee Camp, Walda, Kenya