Revision history of "File:Pollution in China ngram.png"

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  • (cur | prev) 13:09, 12 April 2021‎ Sebastian (talk | contribs)‎ . . (348 bytes) (+348)‎ . . (The chart shows {{w|Google Ngram Viewer}} data for Pollution in China, from 1960 to 2019.<ref>{{cite web |title=Pollution in China |url=https://books.google.com/ngrams/graph?content=Pollution+in+China&year_start=1960&year_end=2019&corpus=26&smoothing=3...)
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