![The muddy Yellow River converges with the clearer Taohe River in the Liujiaxia Reservoir in Yongjing County, Northwest China’s Gansu Province, June 2, 2019. (Photo/Xinhua)](http://www.ecns.cn/hd/2019/06/03/9b8b2f060ffa461e9d0642808d610853.jpg)
The muddy Yellow River converges with the clearer Taohe River in the Liujiaxia Reservoir in Yongjing County, Northwest China’s Gansu Province, June 2, 2019. (Photo/Xinhua)
![The muddy Yellow River converges with the clearer Taohe River in the Liujiaxia Reservoir in Yongjing County, Northwest China’s Gansu Province, June 2, 2019. (Photo/Xinhua)](http://www.ecns.cn/hd/2019/06/03/c5030a3b5a004570a9dab2448d2d3e06.jpg)
The muddy Yellow River converges with the clearer Taohe River in the Liujiaxia Reservoir in Yongjing County, Northwest China’s Gansu Province, June 2, 2019. (Photo/Xinhua)
![The muddy Yellow River converges with the clearer Taohe River in the Liujiaxia Reservoir in Yongjing County, Northwest China’s Gansu Province, June 2, 2019. (Photo/Xinhua)](http://www.ecns.cn/hd/2019/06/03/78870bc2973a4cbab84cc29605b58778.jpg)
The muddy Yellow River converges with the clearer Taohe River in the Liujiaxia Reservoir in Yongjing County, Northwest China’s Gansu Province, June 2, 2019. (Photo/Xinhua)
![The muddy Yellow River converges with the clearer Taohe River in the Liujiaxia Reservoir in Yongjing County, Northwest China’s Gansu Province, June 2, 2019. (Photo/Xinhua)](http://www.ecns.cn/hd/2019/06/03/617e7c056461492185a1ca3d8afd390c.jpg)
The muddy Yellow River converges with the clearer Taohe River in the Liujiaxia Reservoir in Yongjing County, Northwest China’s Gansu Province, June 2, 2019. (Photo/Xinhua)