摘要
Beijing’s ecology improves with water systems restored In 2008, Liu Jian, Vice Dean at the School of Architecture, Tsinghua University, led her students on a field research trip on urbanp lanning to Liujiadian, a town in Pinggu District in northeast Beijing. The group also visited a river flowing through the area, the Ruhe River.They were told by a local that it had water only in the rainy season.
