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China has built the 'world's largest air purifier' to battle smog | World Economic Forum
This skyscraper-sized air purifier is the world's tallest
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China Built a Tower That Acts Like 'the World's Biggest Air Purifier'
China Built The World's Biggest Air Purifying Tower And It Works!
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China tests giant air cleaner to combat smog
World's Largest Air Purifier Transforms Chinese Smog into Actual Diamonds - Good News Network
China's Giant 200-Foot Chimney Sucks in Pollution, Spews Out Clean Air | Digital Trends