Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Jokhang, also called the Jokang, Jokhang Temple, Jokhang Monastery or Tsuklakang (gTsug lag khang), is located on Barkhor Square in Lhasa. It was built during the reign of king Songsten Gampo (605?-650 CE) to celebrate his marriage with Chinese Tang Dynasty princess Wencheng, who was a Buddhist.During the Bon period of Tibet the temple was (and sometimes still is), called the ''Tsuklakang'' (Tsulag Khang) ''House of Religious Science'' or ''House of Wisdom.'' The term tsuklak refers to the ''sciences'' such as geomancy, astrology, and divination which formed part of the pre-Buddhist shamanistic religion now referred to as Bon.