The Yangtze River, or Yangzi, or Chang Jiang, is the longest River in China and Asia, as well as the world's third longest river (after the Amazon and the Nile). It is honored as one of the two main cradle of Chinese civilization. (another is Yellow River)
The river is about 6,300 kilometers (almost 4,000 miles) long and goes from the western part of China (Qinghai Province) into the East China Sea, which is part of the Pacific Ocean. It has been thought of as a dividing point between northern and southern China. It helped start the Chinese civilization.