Located at the foot of Zhongshan Mountain in Nanjing, Xuanwu is a scenic location near Nanjing railway station. Xuanwu Lake is one of the “Three Great Lakes of Jiangnan,” which contains five islets and was the largest imperial lake garden in China’s history. According to legends, Emperor Sun Quan settled in the Nanjing area and had the lake created. The lake was then named for a black dragon, believed to be a water god. The dragon was said to resemble a cross between a tortoise and a snake. The park is also…