Introduction to Sanju Corridor: Sanju Corridor is a corridor spanning the Qianchi. The name of the corridor "Sanju" refers to the historical story of Fan Li's "three gatherings and three separations". The couplets on the corridor illuminate his life. Fan Li, also known as Shaobo, was an outstanding politician, thinker and strategist in the Spring and Autumn Period and the Warring States Period. He was also a big businessman who made money in a wise way.