左圖:中國(guó)國(guó)務(wù)院新聞辦公室圖片庫(kù)/蓋蒂圖片社,右圖:Carl Sutton/Picture Post/蓋蒂圖片社
Above left, a woman in Changchun, China walks along a road on Oct. 21, in a dense smog that forced business, school, and road closures. On the right, a woman in London wears a protective mask in Nov. 1953 during a smog episode nearly a year after the city's deadly Great Smog.
左圖,中國(guó)長(zhǎng)春市,10月21日,一名女子走在霧霾籠罩的路上,這場(chǎng)霧霾使商場(chǎng)停業(yè)、學(xué)校關(guān)閉、交通停止。右圖,倫敦,1953年11月,一名女子戴著面罩,在1952年致命的大霧之后,霧霾期持續(xù)了近一年。