Fog shrouds tall buildings in the Pudong district of Shanghai, Feb 22, 2011. Advection fog occurs when moist air is blown over a cool surface. It is common when a warm front passes over an area with significant snow. [Photo/Xinhua]
The popular Beijing grill "The Lancet", which is named after the famous medical journal, received a special customer on Sunday --- William Summerskill, one of the four senior executive editors of the journal, according to the grill's weibo account.
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