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Fog shrouds China's cities

(Xinhua) Updated: 2013-01-22 20:28
Fog shrouds China's cities

Combo photo taken on Jan 22, 2013 (up) and Jan 18, 2013 (bottom) show views of buildings in the same place in Nanjing, capital of East China's Jiangsu province. [Photo/Xinhua]

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