5月19日，中共中央政治局常委、国务院副总理张高丽出席在北京召开的京津冀及周边地区大气污染防治协作机制第四次会议并讲话。新华社记者高洁摄
5 June 19,, member of the Standing Committee of the Political Bureau of the CPC Central Committee, vice premier of the State Council, Zhang Gaoli attended held in Beijing and the surrounding areas of Beijing, Tianjin for prevention and control of atmospheric pollution and cooperation mechanism of the fourth meeting of the and delivered a speech. Xinhua News Agency reporter Gao Jie photo
