Wannian Bridge, commonly known as Beida Bridge, is located outside the north gate of Nanyang Ancient City. It was built in Ming Dow, Song Renzong (A.D. 1032 ~ 1033). The beam-column wooden bridge was changed into a column-free single arch wooden bridge, which has a unique structure and looks like a rainbow, so it is called "Hongqiao". For flood control, after several times of financing, the river bank was reinforced with huge stones, and dozens of big trees crossed each other without columns. The frame was a flying bridge, creating the first wooden Hongqiao in China. Zhang Zeduan's Riverside Scene at Qingming Festival is based on Hongqiao on Nanyang River in Qingzhou. Twenty-two years of Wanli in Ming Dynasty (1594). The rebuilt seven-hole bridge with stone arch structure was renamed as "Wannian Bridge" because of its "natural cliff" and "iron column nail". It was destroyed in the 25th year of Qing Emperor Kangxi (1686) and rebuilt in the 35th year of Qing Emperor Kangxi (1696). The bridge is 86 meters long, 9.4 meters wide and 9 meters high. The pier triangle is near the water, and the dragon is carved first. 19 pairs of stone lions carved on the bridge guardrail and four large stone lions on the bridge head,