Traffic police don masks to arrest 皇冠体育app's smog
(chinadaily.com.cn) Updated: 2013-01-31 11:47 |
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A traffic policewoman shows a PM2.5 mask in Jinan, East 皇冠体育app's Shandong province, on Jan 30, 2013. [Photo by Zheng Tao/Asianewsphoto] |
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