http://www.huacadelaluna.org.pe/Genesis.asp

Perú is made up of three vast regions: the coast, the Andes or highlands and the Amazon forest and lowlands. These regions emhrace an amazing diversity of ecosystems defined by factors such as altitude, latitude and solar radiation. Intelligent use of this diversity allowed ancient Peruvians to reach high levels of civilization, accompanied by complex social, economic and political developments. ... (more)