Chinese President Xi Jinping (2nd R) and his wife Peng Liyuan (L) are welcomed by U.S. President Barack Obama (R) and his wife Michelle Obama at the White House in Washington D.C., the United States, Sept. 25, 2015. Xi arrived in Washington, the second stop of his state visit to the United States, on Sept. 24 after a busy two-and-a-half-day stay in Seattle. (Xinhua/Li Xueren)
