The Omo valley and the surrounding areas are also well known because of their most attractive National Park and various tribes that have led traditional life styles. The famous national parks such as Nech sar, Mago and Omo are found around the Omo Valley. Various people who are popular in their unsophisticated way of life inhabit the area of Omo valley and its surroundings. It is a region where age-old African customs are still practiced. Some of its people do not develop material culture, but they have many other mechanisms of manifestations of their traditional ways of life. For instance, the absence of material culture is compensated by the exceptional ornamental and symbolic wealth of their decorated bodies. It is done as not only an expression of beauty but also a demonstration of messages and signs expressed through scarification, ornamentation and hairstyles.