An old Karo woman wearing a metal lip ornament. As a young girl, she will have pierced a small hole in the flesh below her lower lip into which she will have put a variety of ornaments at different stages of her life.The Karo are a small tribe living in three main villages along the lower reaches of the Omo River in southwest Ethiopia. The largest village, Duss, is home to almost half the population of around 3,500 people. Once solely agriculturalists, the people now keep livestock as well.They are Omotic people and speak a dialect of their larger and more powerful neighbours, the Hamar, from whom they originated in the distant past.