Old King Palace, Taoist Palace view. On the third peak of Xiuling, in the south of Linyi County, Shaanxi Province. Originally the seat of the Changsheng Palace of the Huaqing Palace in the Tang Dynasty, it is said that Tang Xuanzong had met Taishang Laojun twice here, so it was called "Down Sheng Pavilion" and "Chaoyuan Pavilion".