Three Gorges number of cultural relics, including hanging coffins and stone inscriptions that cannot be protected, were covered by the reservoir. Three Gorges The Three Gorges () are three adjacent gorges along the middle reaches of the Yangtze River, in the hinterland of the People's Republic of China. With a subtropical monsoon climate, they are known for their scenery. The "Three Gorges Scenic Area" is classified as a AAAAA scenic area (the highest level) by the China National Tourism Administration. The Three Gorges—comprising the Qutang, Wu, and Xiling gorges—span 193 miles, beginning at Baidi City of Chongqing Municipality, in the west and
Three Gorges Dam spillway gates of the dam might pose a risk of cavitation, similar to that which severely damaged the poorly designed and cavitating spillways of the Glen Canyon Dam in the US state of Arizona, which was unable to properly withstand the Colorado river floods of 1983. However, 163,000 concrete units of the Three Gorges dam all passed quality testing and the deformation was within design limits. An experts group gave the project overall a good quality rating. In order to maximize the utility of the Three Gorges Dam and cut down on sedimentation from the Jinsha River, the upper course