Introduction to Pingqiao: Pingqiao was built in the 10th year of Chunxi in Song Dynasty. It is a stone girder bridge with three piers and four holes. The total length is 33 meters and the width is 1.68 meters. It is a ship-shaped bridge pier with stone beams between each hole. The beam is 6 meters long, 0.64 meters wide and 0.34 meters thick.