AMSTERDAM, NETHERLANDS - MARCH 22:  China's President Xi Jinping, center left, and his wife Peng Liyuan,  far left, are greeted by King Willem-Alexander of the Netherlands, center, and his wife Queen Maxima of the Netherlands, center right,  upon Xi's arrival at Schiphol Amsterdam airport on March 22, 2014 in Amsterdam, Netherlands.  Xi is on a two-day state visit ahead of the March 24 and 25 Nuclear Security Summit in The Hague. (Photo by Peter Dejong-Pool/Getty Images)