What are the factors of Three Gorges immigrants? Geography is a compulsory course. 2 population migration.

The reason for the Three Gorges resettlement is that the riverbed will rise and flood the residents because of the construction of the Three Gorges Hydropower Station.

Because the Three Gorges resettlement policy is based on the water level line, few villages in mountainous areas are on the same water level line as in the eastern region. There will be such a situation: if a family is below 135 meters, it belongs to the first phase of immigration and has to move to a county in a province; And his parents' house in the same village is at 145 meters, which belongs to the second phase of immigration and will be moved to a county in a province in South China.