What is the river tha begins in Tibetan plateau and flows southeast to south of china?

The Yangtze is the longest river in Asia, and the third-longest in the world, after the Nile River and the Amazon River. It is also one of the most important rivers in the world, as it is the source of drinking water, food, and transportation for millions of people. The Yangtze River begins in the Tibetan Plateau in Qinghai province, and flows southeast to the East China Sea. It is about 6,300 kilometres (3,900 miles) long. The Yangtze River basin is the largest river basin in Asia, and it is one of the most densely populated regions in the world. The river is used for fishing, shipping, and transportation. It is also a major tourist destination, as it is home to many famous landmarks such as the Three Gorges Dam and the Leshan Giant Buddha.