Smog Shuts Down Chinese City
![A traffic police officer signals to drivers during a smoggy day in Harbin, China, Oct. 21, 2013.](https://gdb.voanews.com/6c7d0a00-be42-4b4a-b443-74ddc924a001_w1024_q10_s.jpg)
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A traffic police officer signals to drivers during a smoggy day in Harbin, China, Oct. 21, 2013.
![A woman wearing a mask checks her mobile phone during a smoggy day on the square in front of Harbin's landmark San Sophia church, China, Oct. 21, 2013.](https://gdb.voanews.com/4160e245-497f-488a-a286-851a9ffed926_w1024_q10_s.jpg)
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A woman wearing a mask checks her mobile phone during a smoggy day on the square in front of Harbin's landmark San Sophia church, China, Oct. 21, 2013.
![People ride along a street on a smoggy day in Daqing, Heilongjiang province, China, Oct. 21, 2013.](https://gdb.voanews.com/235f3542-bc14-4983-b598-81f7813b65db_w1024_q10_s.jpg)
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People ride along a street on a smoggy day in Daqing, Heilongjiang province, China, Oct. 21, 2013.
![People walk on a bridge during a smoggy day in Jilin, Jilin province, Oct. 21, 2013.](https://gdb.voanews.com/a7a91e1b-a186-4114-8476-432b6d3c7450_w1024_q10_s.jpg)
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People walk on a bridge during a smoggy day in Jilin, Jilin province, Oct. 21, 2013.