This undated file photo released by the Hebrew University of Jerusalem, Tuesday, November 4, 2008, shows a tortoise shell, one of 49 discovered in a grave where the 12,000-year-old skeleton of a female shaman was found alongside body parts of a leopard, a boar and other animals as well as a human foot, at the Natufian archaeological excavation site in Hilazon Tachtit, in the Galilee area of northern Israel. [Agencies]