The Pearl River, thelargest river system of southern China that flows through Guangzhou, is thethird longest river in China, only second to the Yangtze River and the YellowRiver.
The Pearl RiverDelta isone of the most developed regions in China with an area of about 11,000 squarekilometers.
It is also the greatesturban areasin both size and population all over the world.
The nine largest cities ofthe Pearl River Delta totally have a population of more than 57 million. Sincethe Chinese reform and opening up in the late 1970s, the Pearl River Delta hasbecome one of the major economic regions and manufacturing centers in China andthe world.
TheYangtze River is the longest river in Asia and also the third longest riveraround the world. Yangtze River which flows through a variety of differentecosystems, is the habitat of many endangered species, irrigating one fifth ofthe land in China. The Yangtze River Basin is home to one third of Chinesepopulation, which plays a significant role on Chinese history, culture andeconomy. The Yangtze River Delta produces up to twenty percent of China's GrossNational Product. For thousands of years, the Yangtze River has been takenadvantages of water supply, transportation and industrial production. Besides,the world’s largest hydro-electric power station stands on the Yangtze River.
The Yellow River is the third longest in Asia and thesixth longest in the world. The word “yellow” describes the perennial color of the muddy water. Originating inQinghai province, the Yellow River flows through nine provinces and finallyempties into the Bohai Sea. It is one of several rivers for China to live on.Its basin was the birthplace of ancient Chinese civilization and the mostprosperous region in early Chinese history. However, because of frequentdevastating floods, the river has caused many disasters. In the past fewdecades, the government has taken various measures to prevent disasters.