The combo photo taken on March 30, 2014 shows Chinese President Xi Jinping (3rd R, front), his wife Peng Liyuan (4th R, front), Belgian King Philippe (2nd R, front), Queen Mathilde (front R) and Belgian Prime Minister Elio Di Rupo (5th R, front) visiting the panda house at the Pairi Daiza zoo in Brugelette, Belgium. [Xinhua]