Sudi, formerly known as Sugong Dike, is a lind embankment that runs through the northern scenic area of western Hunan. Sudi was the Northern Song Dynasty Yuanxu four years (1089), the poet Su Xu (Su Dongpo) when Hangzhou Zhizhou, dredged the West Lake, using the silt dug by the silt and formed through the evolution of later generations, Hangzhou people in order to commemorate the achievements of Su Dongpo to manage the West Lake, it was named "Sudi". The six most famous bridges that form this embankment, namely Yingbo, Suolan, Wangshan, Pressing embankment, Dongpu, Cross-Hong, so Hangzhou citizens call Sudi the six suspension bridge. It is a good place for leisure walks and fitness running.