" A sanctuary (ca. 6200 B.C.) contained four men’s skulls deposited under the bulls’ heads fastened to the walls. One wall is decorated with paintings depicting vultures with anthropomorphic legs attacking a decapitated man. This must certainly represent an important mythico-ritual complex, the meaning of which unfortunately escapes us. "

― Mircea Eliade , A History of Religious Ideas 1: From the Stone Age to the Eleusinian Mysteries