Smog, in China. 霧霾

Hundreds of flights were delayed or cancelled on Friday in China’s commercial hub of Shanghai as record levels of air pollution shrouded the city in smog, prompting authorities to issue the highest level of health warning. (Reuters)
Smog in China  http://news.yahoo.com/photos/smog-in-china-1386243786-slideshow/

a woman wearing a mask walks through a thick fog October 21, 2013. Toxic smog blanketed the city famous for its ice festival, limiting visibility to 10 meters and highlighting the environmental challenges of the nation. CHINA OUT AFP PHOTO
27 | October | 2013 | boldcorsicanflame's Blog
https://theboldcorsicanflame.wordpress.com/2013/10/27/
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