Introduction to Danjing Pavilion: There is a well in the pavilion, named: Danjing. It was originally a drinking well for Wang Chongyang, the founder of Quanzhen in the Jin Dynasty, and the seven sons of Quanzhen. Wang Chongyang once used this water to refine the "Resurrection Pill". The water is sweet and contains various minerals and trace elements needed by the human body. People say: Take a sip of Danquan and live to ninety-nine.