Shaanxi Liquan Tang Changle Princess Tomb: Changle Princess is Tang Taizong Li Shimin's eldest daughter, deeply loved Tang Taizong. However, she was weak and sick, and died of asthma at the age of 23. She was buried near the Tang Taizong Li Shimin Zhaoling, only a ditch in Zhaoling. The tomb of Princess Changle was excavated in 1986 and opened to the public in 1991.