Was it brought to Shanghai by immigrants from the Three Gorges?

Does the subject want to ask: "Three Gorges immigrants are rich in Shanghai?" ? Yes, the Three Gorges of the Yangtze River is located on the main stream of the Yangtze River in Chongqing, China and Hubei Province, starting from Baidicheng, fengjie county, Chongqing in the west and reaching Nanjinguan, Yichang, Hubei Province in the east, with a total length of193km. After the Three Gorges immigrated to Shanghai, the local government allocated private plots and contracted plots, arranged jobs to get high living expenses, and gradually became rich. Shanghai, referred to as "Shanghai" or "Shen" for short, is a provincial administrative region of People's Republic of China (PRC).