The Chaobai, Yongding, Beiyun, Daqing and Jiyun are Beijing's largest river systems. Of these five, the Beiyun Canal is over 1300 years old. It is now the largest drianage system for the Beijing's sewage and industrial effluents. The Beiyun Canal is over 124 miles long, and was built in the 7th century. As late as the 1970s, the canal was still suitable for swimming.
He Yong graduated from Northeast Normal University and was one of first to obtain an Environmental supervisor certificate. He worked with Beiyun Waterkeeper for seven years, where he organized weekly River Watch tours to educate locals on the environment, before becoming the Beiyun Waterkeeper himself. He often advises the government on measures needed to protect the river against pollution. He has incredible knowledge of and has devoted his life to protecting the eco-environmental quality of the Beiyun River.
No.21 Pao Ju Er Tiao
Dong Cheng District, Beijing 100007