Nanjin Guan is the start point of the Yangtze Three Gorges, as well as the boundary separating of the upstream and midstream of the Yangtze River. After the ship sailing upstream through the Nanjin Guan, the width of the Yangtze River becomes sudden narrow from 2000 m to 300 m. It tells the beginning of your colorful tour in the beautiful painting of the Three Gorges.