Qinghai, Sichuan, Chongqing, Tibet, Hubei, Jiangsu, Shanghai, Hunan, Yunnan, Jiangxi, Anhui PS: The Yangtze River originates from the southwest side of the Geladandong Snow Mountain, the main peak of the Tanggula Mountains on the Qinghai-Tibet Plateau (33°28'N, 91°08'E), and the end of the glacier at the source is more than 5,400 meters above sea level. The main stream flows through 11 provinces, autonomous regions, and municipalities, including Qinghai, Tibet, Sichuan, Yunnan, Chongqing, Hubei, Hunan, Jiangxi, Anhui, Jiangsu, and Shanghai, and flows into the East China Sea east of Chongming Island. It is more than 6,300 kilometers long, ranking third in the world among the world's major rivers, second only to the Nile River in Africa and the Amazon River in South America. The main stream of the Yangtze River runs across central China from west to east. Hundreds of tributaries converge from north to south and extend to parts of eight provinces and autonomous regions, including Guizhou, Gansu, Shaanxi, Henan, Guangxi, Guangdong, Zhejiang, and Fujian. The basin area is 180,000 square kilometers, accounting for about 1/5 of China's total land area. The Yangtze River is the most water-rich river in China, with a total water resource of 9.616 billion cubic meters, accounting for about 36% of the total river runoff in the country.