Chinese President Hu Jintao(4th R,front)poses for a group photo with other world leaders during the Nuclear Security Summit at the Washington Convention Center in Washington,April 13,2010 0.[Li Xueren/Xinhua]
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![Chinese President Hu Jintao(4th R,front)poses for a group photo with other world leaders during the Nuclear Security Summit at the Washington Convention Center in Washington,April 13,2010 0.[Li Xueren/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20100414/000cf1bdd03f0d2f730234.jpg "Chinese President Hu Jintao(4th R,front)poses for a group photo with other world leaders during the Nuclear Security Summit at the Washington Convention Center in Washington,April 13,2010 0.[Li Xueren/Xinhua]")
