Introduction to Kaiyuan Square: "Kaiyuan Square" is the climax of the landscape on the central axis of the Everlasting City of the Tang Dynasty. It is 161 meters long from north to south and 78 meters wide from east to west. It covers an area of about 12,200 square meters, including a dry fountain of about 1,000 square meters and a green area of about 1,300 square meters. square meters. A group of "Kaiyuan Prosperity" group sculptures and 8 LED light dragon pillars were set up in the square. The theme sculpture has a total height of 12.95 meters, and the 4.59-meter-tall pedestal on the highest floor is Li Longji, Emperor Xuanzong of the Tang Dynasty. 4.59 meters means the Nine-Five Lord. Li Longji stood in front of the huge circular dragon wall, showing his imperial demeanor. On the second floor are the six most important ministers of Emperor Xuanzong of the Tang Dynasty and 20 envoys from foreign countries. The 42 musical figurines on the third floor hold various musical instruments and play to their heart's content, which is magnificent and magnificent. The entire sculpture group consists of 78 figures, creating a happy atmosphere where people lived and worked in peace and contentment during the prosperous period of the Tang Dynasty.