Introduction to the pontoon: The pontoon bridge in front of the building was built in the second year of Yang Wu Qianzhen (928 AD) during the Five Dynasties and Ten Kingdoms period, and was originally named Yong'an Bridge. The bridge is 161.85 meters long and consists of 14 carriages and 40 pontoon boats. People watch dragon boat races here in spring, enjoy the scenery and cool off in summer, enjoy osmanthus and clouds in autumn, and play flute to express their feelings in winter.