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 Reservoir Region the Three Gorges Reservoir Region, such as gold, silver, copper, iron, uranium, sulfur, potassium, natural gas and halite. The natural sights along the Yangtze River in the Three Gorges Reservoir Region are superb, particularly the along 162-km main river between Sandouping of Yichang and Baidicheng Town of Fengjie, which are the famous sights of the Three Gorges of the Yangtze River and one of the tourist places of interest all over the world. In addition, there are a lot of cultural and historical sites, such as the Qu Yuan Temple of Zigui, the Zhaojun Home Village of Xingshan, the Shibao