It shows Chongqing’s culture and its basic elements. In the development course of Chongqing for more than 3000 years, there are many levels, fields and forms of culture, among which the six main forms are Bayu Culture, Revolution Culture, Three Gorges Culture, Inter-Provincial Immigration Culture, War Against Japanese Aggression Culture and United Front Culture. These are the most representative and symbolic elements which constitute the unique “2+4 structure” of Chongqing’s historical and cultural system.