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pkg hancocks skorea pollution levels_00000525.jpg
pkg hancocks skorea pollution levels_00000525.jpg

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    Seoul's smog problem

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Seoul's smog problem

South Korea's seeking ways to clear dirty air that some claim is coming from China. CNN's Paula Hancocks reports.

Seoul's smog problem

South Korea's seeking ways to clear dirty air that some claim is coming from China. CNN's Paula Hancocks reports.