It shows four major industrial development periods of Chongqing: Chongqing opened as a commercial port and the City of Chongqing was founded; Chongqing as the Headquarter of Southwest Region; Recovery of national economy; Third-Front Construction. Chongqing has become a pioneer of openning-up, a hub for trade and business and a industrial powerhouse.

Chongqing is the dissemination and birthplace of China’s early revolutionary ideas, as well as an inter-provincial immigration city. It has eight large-scale inter-provincial immigration during four major periods in history. Chongqing has become a hub for inter-provincial resettlement in southwest region.