Introduction to Yuquan Iron Tower: Yuquan Iron Tower is the oldest, tallest, largest, heaviest and most complete existing iron tower in my country. The Iron Pagoda is located on the remaining hills of Qinglong Mountain to the north of the three garden gates in front of Yuquan Temple. It was cast in the sixth year of Jiayou in the Northern Song Dynasty (1061) to commemorate the relics given by Emperor Gaozong and Empress Zetian of the Tang Dynasty. It is commonly known as the Lengjin Iron Pagoda and Tathagata. Stupa, Thousand Buddha Pagoda. The iron tower is in the style of a wooden pavilion, with thirteen octagonal levels, a height of 16.945 meters, and a weight of 26,472 kilograms. It is composed of four parts: the underground palace, the tower base, the tower body, and the tower temple. There are a large number of precious cultural relics in the underground palace, in addition to the Buddha's tooth relics and relics. In addition, gilded Bodhisattvas, large stone letters, porcelain furnaces with green lotus petals and tall feet from the Tang Dynasty were also discovered, as well as small stone letters, crystal beads, and iron chains from the Song Dynasty.