Afghan policemen leave a building after an operation in Kabul, capital of Afghanistan, Aug. 20, 2009.[Xinhua]
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![Afghan policemen leave a building after an operation in Kabul, capital of Afghanistan, Aug. 20, 2009.[Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090821/000bcdb95f1d0bf8509636.jpg "Afghan policemen leave a building after an operation in Kabul, capital of Afghanistan, Aug. 20, 2009.[Xinhua]")