四九年前沒霧霾？前幾天有文章說，清朝皇帝還有因霧霾死的哪。等等，看看我能不能找到北京老照片。

來源: 五刀口於 2016-01-18 14:58:46 [舊帖] [給我悄悄話] 本文已被閱讀：次

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