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Volunteers wear red ribbons on their faces during a World AIDS Day event at the Olympic Green in Beijing, capital of China Nov. 30, 2008.[Xinhua Photo]
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![Volunteers wear red ribbons on their faces during a World AIDS Day event at the Olympic Green in Beijing, capital of China Nov. 30, 2008.[Xinhua Photo]](http://images.china.cn/attachement/jpg/site1007/20081201/000bcdb95f1d0a9d8be852.jpg "Volunteers wear red ribbons on their faces during a World AIDS Day event at the Olympic Green in Beijing, capital of China Nov. 30, 2008.[Xinhua Photo]")