Chinese President Xi Jinping (2nd R) and his wife Peng Liyuan (1st R) meet with British Prince Charles (2nd L) and his wife Camilla,Duchess of Cornwall,in London, Britain, Oct. 20, 2015. (Xinhua/Xie Huanchi)

Chinese President Xi Jinping (2nd R, front) and his wife Peng Liyuan (1st R, front) meet with British Prince Charles (2nd L) and his wife Camilla, Duchess of Cornwall, in London, Britain, Oct. 20, 2015. (Xinhua/Xie Huanchi)