Introduction to Liusha River: Southeast of Bajiao Pavilion is the Liusha River with clear water. The famous tragedy of "Calabash Letter" of the Dai people in Xishuangbanna happened here. The Calabash Letter floating on the water saved the people of Jingzhen, but it caused The kind-hearted Princess Nan Muhan and her husband Zhao Han were buried alive near the Bajiao Pavilion.