Chinese President Xi Jinping (2nd R) and his wife Peng Liyuan (1st R), and U.S. President Donald Trump (2nd L) and his wife Melania Trump pose for a photo in front of Taihedian, the Hall of Supreme Harmony, during their visit to the Palace Museum, or the Forbidden City, in Beijing, capital of China, Nov. 8, 2017. (Xinhua/Xie Huanchi)