Chinese President Xi Jinping (2nd L), his wife Peng Liyuan (R), King Philippe of Belgium (2nd R) and Queen Mathilde of Belgium pose for a group photo in Brussels, Belgium, March 30, 2014. Xi met with King Philippe of Belgium in Brussels on Sunday. (Xinhua/Lan Hongguang) 

Chinese President Xi Jinping (2nd L) receives a Grand Cordon medal of the Order of Leopold from King Philippe of Belgium (2nd R) in Brussels, Belgium, March 30, 2014. Xi met with King Philippe in Brussels on Sunday. (Xinhua/Lan Hongguang)

 Chinese President Xi Jinping (2nd L), his wife Peng Liyuan (R), King Philippe of Belgium (2nd R) and Queen Mathilde of Belgium pose for a group photo in Brussels, Belgium, March 30, 2014. Xi met with King Philippe of Belgium in Brussels on Sunday. (Xinhua/Lan Hongguang) 

Chinese President Xi Jinping (3rd R) meets with King Philippe of Belgium (1st R) in Brussels, Belgium, March 30, 2014. (Xinhua/Ju Peng)

 Chinese President Xi Jinping (L) meets with King Philippe of Belgium in Brussels, Belgium, March 30, 2014. (Xinhua/Lan Hongguang) 

Chinese President Xi Jinping (front L) and King Philippe of Belgium (front R) review the guard of honor at the welcoming ceremony in Brussels, Belgium, March 30, 2014. Xi met with King Philippe of Belgium in Brussels on Sunday. (Xinhua/Ma Zhancheng)

Chinese President Xi Jinping (2nd L), his wife Peng Liyuan (R), King Philippe of Belgium (2nd R) and Queen Mathilde of Belgium attend the welcoming ceremony in Brussels, Belgium, March 30, 2014. Xi met with King Philippe of Belgium in Brussels on Sunday. (Xinhua/Ma Zhancheng)

Chinese President Xi Jinping (front L) and King Philippe of Belgium (front R) review the guard of honor at the welcoming ceremony in Brussels, Belgium, March 30, 2014. Xi met with King Philippe of Belgium in Brussels on Sunday. (Xinhua/Yao Dawei)

Chinese President Xi Jinping (central L) and King Philippe of Belgium (central R)review the guard of honor at the welcoming ceremony in Brussels, Belgium, March 30, 2014. Xi met with King Philippe of Belgium in Brussels on Sunday. (Xinhua/Lan Hongguang)

Chinese President Xi Jinping (central L) and King Philippe of Belgium (central R) review the guard of honor at the welcoming ceremony in Brussels, Belgium, March 30, 2014. Xi met with King Philippe of Belgium in Brussels on Sunday. (Xinhua/Ju Peng)

Chinese President Xi Jinping (C) presents a wreath of flowers to the Unknown Soldier Monument in Brussels, Belgium, March 30, 2014. (Xinhua/Pang Xinglei)

Chinese President Xi Jinping (2nd R) pays tribute to the Unknown Soldier Monument in Brussels, Belgium, March 30, 2014. (Xinhua/Pang Xinglei)

Chinese President Xi Jinping (4th L) presents a wreath of flowers to the Unknown Soldier Monument in Brussels, Belgium, March 30, 2014. (Xinhua/Pang Xinglei)