Chinese President Xi Jinping (2nd R, front), his wife Peng Liyuan (front R), Belgian King Philippe (2nd L, front) and Queen Mathilde (L) pose for a photo in front of a magnolia tree that symbolizes friendship at the Pairi Daiza zoo in Brugelette, Belgium, March 30, 2014. Xi and Belgian King Philippe attended the inauguration of a panda house at the zoo on Sunday. [Xinhua]