About Gaoyou: Gaoyou City is located in the northern part of Jiangsu Province, along the Beijing-Hangzhou Grand Canal and on the banks of Gaoyou Lake. It was a mail post during the Han and Tang dynasties. Gaoyou is a famous historical and cultural city in Jiangsu Province, that was recorded in the writings of Marco Polo. Gaoyou has many attractions that are worth visiting, such as Yucheng Postal Stop, Zhenguo Temple Tower, and Lingtang Mosque. There are also cultural attractions such as the Wang Zengqi Literature Museum, Chinese Duck Culture Museum, and Chinese Philatelic Museum.