Fueled by holding the World Historical & Cultural Cities Expo, on October 23^rd, 2016, Nanjing signed the Sister City Relationship Agreement with the city York in UK, and also signed a letter of intent to build sister city relationship with Semarang in Indonesia, as well as a letter of intent to launch cultural cooperation with San Antonio in USA.

Many of the images and sites that make up the worldview of Chinese culture were begun in the Ming Dynasty. Most notably, the current and completed version of the Great Wall, the architectural style represented by the Forbidden City and the popular blue and white porcelain creations.