![Ulunggur Lake in Fuhai County, NW China(1/4)](http://www.ecns.cn/hd/2018/04/04/26deca21350a4cebb8291d7ca545864b.jpg)
Photo taken on April 2, 2018 shows a view of the Ulunggur Lake in Fuhai County, northwest China's Xinjiang Uygur Autonomous Region. Fuhai has made strides in rolling out a "river (lake) chief" system amid efforts to guarantee water quality, customizing measures for each river and lake. (Xinhua/Hu Huhu)