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upworthy

smog brick

True
League of Conservation Voters

In a symbolic gesture to show just how dirty Beijing's skies have become, one man decided to make the problem a bit more ... tangible.

Wang Renzheng, whose artistic name is Jianguo Xiongdi, or "Nut Brother," walked around Beijing with a vacuum cleaner a few hours every day literally sucking the smog out of the city's air.

His goal? To make a brick out of his collection.

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