Introduction to Qizhen Rock: Qizhen Rock is located at the dock in the lower reaches of Shangqing Creek. According to legend, it was the place where Taoist immortal Mei Fu practiced alchemy in the late Western Han Dynasty. Shangqing Creek also combined the "Three Pure Ones" (Yuqing, Shangqing, and Shangqing) in Taoism. It was named after "Shangqing", one of Taiqing).