![President Xi arrives in Washington for nuclear security summit(1/11)](http://www.ecns.cn/hd/2016/03/31/f0885d9d2bdb4a959250ea31fa0b6153.jpg)
Chinese President Xi Jinping (2nd R) arrives for the fourth Nuclear Security Summit in Washington, the United States, March 30, 2016. (Photo: Xinhua/Ju Peng)
Chinese President Xi Jinping (2nd R) arrives for the fourth Nuclear Security Summit in Washington, the United States, March 30, 2016. (Photo: Xinhua/Ju Peng)