Kongtong Mountains
Kongtong Mountains is one of the sacred [mountains of Taoism]. It is located in Pingliang City, Gansu Province, People's [Republic of China]. It is the mythical meeting site between the Yellow Emperor and Guangchengzi.
File:Shi Rui-Xuan Yuan Inquires of the Dao.jpg|thumb|center|600px|Shi Rui, Xuan Yuan Inquires of the Dao, National [Palace Museum], Taipei