美国七十年代的污染

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送交者: xname5 于 2013-12-06, 20:38:30:

http://www.theatlantic.com/infocus/2011/11/documerica-images-of-america-in-crisis-in-the-1970s/100190/

http://www.theatlanticcities.com/arts-and-lifestyle/2012/06/what-pittsburgh-looked-when-it-decided-it-had-pollution-problem/2185/



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