Chinese President Xi Jinping (2nd R) and his wife Peng Liyuan (1st R) welcome U.S. President Donald Trump (2nd L) and his wife Melania Trump at the Palace Museum, or the Forbidden City, in Beijing, capital of China, Nov. 8, 2017. They had an informal afternoon tea in the Baoyun Building, also known as the Hall of Embodied Treasures, in the southwestern corner of the Forbidden City. (Xinhua/Xie Huanchi)

Chinese President Xi Jinping (2nd R) and his wife Peng Liyuan (1st R) welcome U.S. President Donald Trump (2nd L) and his wife Melania Trump at the Palace Museum, or the Forbidden City, in Beijing, capital of China, Nov. 8, 2017. They had an informal afternoon tea in the Baoyun Building, also known as the Hall of Embodied Treasures, in the southwestern corner of the Forbidden City. (Xinhua/Xie Huanchi)

Chinese President Xi Jinping (3rd R) and his wife Peng Liyuan (1st R), and U.S. President Donald Trump (3rd L) and his wife Melania Trump (1st L) have an informal afternoon tea in the Baoyun Building of the Palace Museum in Beijing, capital of China, Nov. 8, 2017. (Xinhua/Lan Hongguang)

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)

Chinese President Xi Jinping and his wife Peng Liyuan, and U.S. President Donald Trump and his wife Melania Trump pose for a photo with performers after watching a Peking Opera performance at the Palace Museum, or the Forbidden City, in Beijing, capital of China, Nov. 8, 2017. (Xinhua/Lan Hongguang)

Chinese President Xi Jinping (L) holds a grand ceremony to welcome U.S. President Donald Trump at the square outside the east gate of the Great Hall of the People in Beijing, capital of China, Nov. 9, 2017. (Xinhua/Li Xueren)

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 group photos at the Great Hall of the People in Beijing, capital of China, Nov. 9, 2017. Xi held a grand ceremony to welcome Trump on Thursday. (Xinhua/Lan Hongguang)

Chinese President Xi Jinping (L) holds a grand ceremony to welcome U.S. President Donald Trump at the square outside the east gate of the Great Hall of the People in Beijing, capital of China, Nov. 9, 2017. (Xinhua/Li Tao)

Chinese President Xi Jinping (L) holds a grand ceremony to welcome U.S. President Donald Trump at the square outside the east gate of the Great Hall of the People in Beijing, capital of China, Nov. 9, 2017. (Xinhua/Rao Aimin)

Chinese President Xi Jinping (L) holds a grand ceremony to welcome U.S. President Donald Trump at the square outside the east gate of the Great Hall of the People in Beijing, capital of China, Nov. 9, 2017. (Xinhua/Lan Hongguang)

Chinese President Xi Jinping (3rd L) and his wife Peng Liyuan (4th L), and U.S. President Donald Trump (2nd L) and his wife Melania Trump (1st L) watch a performance at the Great Hall of the People in Beijing, capital of China, Nov. 9, 2017. Xi held a grand ceremony to welcome Trump on Thursday. (Xinhua/Li Xueren)

Chinese President Xi Jinping holds talks with U.S. President Donald Trump at the Great Hall of the People in Beijing, capital of China, Nov. 9, 2017. (Xinhua/Li Xueren)