Introduction to Pipa Bridge: On the south moat, there are four main bridges, from east to west, they are Pipa Bridge, Agate Bridge, Shoukang Bridge and Duibo Bridge. Pipa Bridge is located on the east side of Pipa Spring and is named after the spring. When tourists are in the boat, they can watch the weeping willows caressing the bridge, tap the water, and listen to the sound of the river lapping against the bridge bank, which is very pleasant.