The song of Everlasting Hatred in the Hall of Eternal Life! Tang Xuanzong's love story of Li Longji and Yang Yuhuan, the noble concubine, has been handed down to this day. Stepping into the hall of eternal life is like traveling through time and space, dreaming back to the Tang Dynasty and returning to the prosperous Tang Dynasty, which is confident and open, passionate and generous. The prosperity of the country and the blooming of love add to the charm of the Tang Dynasty.