Rock Paintings of Sierra de San Francisco - Credit: Wikimedia Commons
The Rock Paintings of Sierra de San Francisco are prehistoric rock art pictographs found in the Sierra de San Francisco mountain range in Mulegé Municipality of the northern region of Baja California Sur state, in Mexico.Harry W. Crosby. 1997. The cave paintings of Baja California: discovering the great murals of an unknown people. Rev. and expanded ed. Sunbelt Publications, San Diego.María de la Luz Gutiérrez and Justin R. Hyland. 2002. Arqueología de la sierra de San Francisco: dos décadas de investigación del fenómeno Gran Mural. Instituto Nacional de Antropología e Historia, Mexico City.Danny Palmerlee. 2007. Baja California and Los Cabos, 308 pages Read more on Wikipedia
Source: en.wikipedia.org