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 in the valleys for quite a while, because of that, local fishers think the Wu Gorge is the longest of the Three Gorges in the east of Sichuan province. The Three Gorges have renowned scenic spots, such as the Kuimen (夔门), located at the western entrance to the Three Gorges. The cliffs on both sides appear to have been cut by knives or axes. Among the Wu Mountains that are located at the northern and southern beaches of the Wu Gorge, one of the twelve peaks is known as Fairy Peak. According to folk tradition, it symbolizes a fairy who