![CHINA-BEIJING-COAL-FIRED POWER PLANT (CN)](136139332_14898467959931n.jpg)
Photo taken on March 18, 2017 shows a scene of China Huaneng Group's Beijing Thermal Power Plant in Chaoyang District of Beijing, capital of China. Coal-fired generating units of the power plant were shut down on Saturday. It marked the proportion of electricity generated in Beijing by clean energy reached 100 percent. (Xinhua/Zhang Chenlin)