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]
![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]")