World Travels. Omo Valley. Ethiopia. Diego Arroyo. by superselected · Diego Arroyo, Ethiopia, Omo Valley, World Travels · 30 Oct 2013 Diego Arroyo is an art director and photographer based in New York. He recently visited the Omo Valley in Ethiopia and photographed people from one of the various tribes living in the area. via Pictures of African People SHARE by superselected Related Content World Travels. At the Barbershop. In West Africa.