More than several people have commented that judging from our photos the skies in Beijing were unusually clear when we were there a few weeks ago. Yes we say, it's much more clear than when we were there in 1991. Really? is the usual response. Everyone rode bicycles back then but the pollution was worse?
You be the judge. Compare these two images I shot from Jingshan Park towards the Forbidden City. One from May 1991 (top) and one from April 2015 (bottom).
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