Chinese President Xi Jinping and his wife Peng Liyuan, Greek Prime Minister Kyriakos Mitsotakis and his wife, pose for a group photo as they visit the Piraeus Port in Greece, Nov. 11, 2019. Xi Jinping and Peng Liyuan, accompanied by the Greek prime minister and his wife, visited the Piraeus Port on Monday. (Xinhua/Xie Huanchi)