According to a World Bank survey, 16 of the world's 20 most-polluted cities were in China. At the top of that list is the city of Linfen, a coal-mining and manufacturing hub in the heart of Shanxi province. VBS.TV reports.http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA http://feeds.feedburner.com/~ff/rss/...Bo:V_sGLiPBpWU http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs http://feeds.feedburner.com/~ff/rss/...Bo:gIN9vFwOqvQ
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