【北京空气质量连续8天一级优~蓝天白云美如画！】Azure skies have been hanging over Beijing for eight days in a row since Aug. 20, with an average density of PM2.5 descending 74% to 18.7 micrograms per cubic meter. Here are some photos of the view from social media.快来感受一下！ _新浪新闻

CGTN 15-08-28 21:36

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【北京空气质量连续8天一级优~蓝天白云美如画！】Azure skies have been hanging over Beijing for eight days in a row since Aug. 20, with an average density of PM2.5 descending 74% to 18.7 micrograms per cubic meter. Here are some photos of the view from social media.快来感受一下！