In this photo taken Wednesday March 28, 2012, a human skull decorated with turquoise, jadeite and shell mosaics (AD 1200-1521) from Mexico, is shown at the Los Angeles County Museum of Art, LACMA, exhibit, "Children of the Plumed Serpent: The Legacy of Quetzalcoatl in Ancient Mexico." The exhibit is an exploration of the ancient kingdoms of southern Mexico and their deity: Quetzalcoatl, the human incarnation of the Plumed Serpent, and will be shown at LACMA from April 1 through July 1. (AP Photo/Damian Dovarganes)