Chinese President Xi Jinping (2nd L), his wife Peng Liyuan (1st L) and Mexico's President Enrique Pena Nieto (2nd R) and his wife jointly cut the ribbon at the opening ceremony of the "Exhibition of Mayas: The Language of Beauty" in the National Museum of China in Beijing, capital of China, Nov. 13, 2014. (Xinhua/Liu Weibing)