Changsheng Palace, that is, the Huaqing Pool in Linyi District, Xi'an City. The Changsheng Palace is dedicated to the Tang Dynasty from Gaozu Li Yuan, Taizong Li Shimin, Gaozong Li Zhi, Dasheng Queen Wu Zetian, Zhongzong Li Xian, Yuanzong Li Dan and the late Taishang Xuanyuan Emperor Laozi Li Er, a total of seven emperors, so the Tang Dynasty temple is also known as the Seven Temples. In 2005, the Changsheng Palace was rebuilt as the Tang Huaqing Palace Cultural Relics Exhibition Hall.