Three Gorges primarily famous for its scenery, the Three Gorges region is also historically and culturally important in China. Many settlements and archaeological sites are in danger of being submerged by the rising reservoir of the Three Gorges Dam. Due to the lithological conditions of its different regions, the valleys of the Three Gorges are narrow in some areas and broad in others. Most narrow valleys occur in regions where there is limestone, which is relatively hard and resists erosion. However, water can flow along deep vertical fractures, eroding underneath. As the limestone bed is gradually undercut, parts of it fall into
Three Gorges Dam of the lift will be 21 minutes. It says that the expected dimensions of the passenger vessels the ship lift's basin was designed to carry will be X X . The moving mass (including counterweights) is 34,000 tonnes. The trials of elevator finished in July 2016, the first cargo ship was lifted in July 15, the lift time comprised 8 minutes. "Shanghai Daily" reported that the first operational use of the lift was on September 18, 2016, when limited ""operational testing"" of the lift began. Plans also exist for the construction of short portage railways bypassing the dam area altogether.