Macaw Marker, Xochicalco, Xochicalco, Morelos, Mexico, A.D. 600/900, Basalt; 57.5 x 38 x 44 cm, CONACULTA-INAH, Museo Nacional de Antropología, Mexico City, 10-225799, Photograph © Jorge Pérez de Lara, G34870 from Ballplayers, Gods, and Rainmaker Kings: Masterpieces from Ancient Mexico, September 16, 2010-January 2, 2011 at Art Institute of Chicago, Chicago.