About 3,000 years ago, there existed on the Qinghai-Tibetan Plateau various strains of Shamanism, namely “Bon,” such as Tian (Heaven) Bon, Mo (Evil) Bon, and Zan Bon among others. Heaven represented natural forces, evil was the symbol of a mysterious force, and Zan was the god of the world as recorded in Bon religious books. In addition, many subsequent ancient Bon deities, including Dahra, Pakse and Gai Kuo, were all objects of worship in ancient Tibet, with different idolatry, origins and rituals.