Ethiopia. Southern Nations, Nationalities, and Peoples' Region. Keyafer. Omo Valley. The young man is a farmer from the Bena tribe. and he holds a billhook in his right hand. He stands near an asphalt road. HIV Aids prevention's billboard. Banna, Bana, and Benna are other spellings for the Bena people. Agro-pastoralist group. The red ribbon, as an awareness ribbon coloured red, is used as the symbol for the prevention and solidarity of people living with HIV/AIDS. The Omo Valley, situated in Africa’s Great Rift Valley, is home to an estimated 200,000 indigenous peoples who have lived there for millennia. The Southern Nations, Nationalities, and Peoples Region (often abbreviated as SNNPR) is one of the nine ethnic divisions of Ethiopia. 10.11.15 © 2015 Didier Ruef