Protected from the outside world by mountains and savannas, in addition to being faintly connected to the rest of Ethiopia and the world, the Omo Valley, called «the poisoned paradise of Ethiopia», is one of the most important sets of paleontological sites in Africa, Declared a World Heritage Site in 1980 and where researchers place the cradle of humanity as discoveries such as that of «Lucy», the «missing link» that confirmed the relationship between primates and human beings, showing that there was a time when the primates began to descend from the trees and walk upright.
