Introduction to Thirteen City Landscapes: The "Thirteen City Scenic Spots" include the most representative landscapes in Jiangsu cities, such as Zhiyu Le Zhan in Nanjing, the ancient charm of the Han Dynasty in Xuzhou, Yanyu Yungang in Lianyungang, and Pu Feng in Huai'an Liuyue, Nantong's Xishi Singwan, etc.