The British Museum has a fine collection of hand-axes discovered at Olduvai Gorge, Tanzania, by butterfly collector William Kattwinkel. This archaeological site is one of the oldest hominid settlements: over 600000 years old. Man's ancestors hunted and butchered their meat here while the women gathered shellfish and berries. Olduvai is located in the Great Rift Valley stretching from Syria to Mozambique, deemed the cradle of human evolution due to the discovery of early skeletons like Lucy