National Geographic : 2010 Mar
Likely a token of fertility, a severed head from Cahuachi hung from a rope of vegetable fiber. The victim may have been a local man sacrificed at a time of drought. A skull from Carrizales (above) shows a typical form of deliberate shaping, per- haps a sign of elite social status. Many buried corpses, including that of a man found at Ullujaya (left), were mummified naturally by the region's arid climate.