Air purification exhibition in Beijing
Updated: 2014-04-15 08:20
(chinadaily.com.cn)
![Air purification exhibition in Beijing](../../attachement/jpg/site1/20140415/001aa018f83f14b6bc8b27.jpg) |
Portable PM2.5 attract visitors at an exhibition of air purifiers and anti-bacterial disinfectors at the National Agriculture Exhibition Center in Beijing on Monday, as heavy smog continues to shroud the capital. Zou Hong/China Daily
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Special: Fight air pollution