Children of the Suri tribe pose in the southern Omo Valley of Ethiopia, near Kibbish, on September 25, 2016. - The Suri are a nilotic pastoral ethnic group in Ethiopia. The construction of the Gibe III dam, Africa's third largest hydropower plant, along with large areas of cotton and sugar cane plantations and numerous factories along the Omo River, have a major impact on tribal life. of the river valley for their survival and way of life. Human rights groups fear for the future of tribes if they are forced to disperse, abandon their traditional customs by losing land or having the capacity to raise livestock as globalization and globalization take hold. development are developing.