In Hangzhou a river city of Jiangnan, 470 watercourses run in different sizes at a total length of close to 1,000 km where expressways circle, contributing more beauty to local rivers and hills along with campaign of Five Water Treatment over the latest 2 years. Time so far has seen 5 (stretches) provincial and 49 (sections) municipal watercourses. And, 30 (sections) coordinates will be created in urban areas for fresh advance of the ecological environment with more comfort.