The Ancient Walls: Enigma in the Andes A slideshow of Andean archaeological sites by Richard Nisbet with a focus on Inca architecture and stonecutting. He suggests that the lower structure of Sacsahuaman is much older than c.1508. http://home.earthlink.net/~rnisbet/indexwalls.html Earthlink.net~Site InfoWhoisTrace RouteRBL Check
