U.S. vice president visits Warsaw

U.S. Vice President Mike Pence (L, Rear) and his wife Karen Pence arrive at an airport in Warsaw, Poland, on Feb. 13, 2019. Pence's visit to Warsaw includes the two-day conference on the Middle East co-organized by the United States and Poland, which kicked off Wednesday afternoon with an official welcome of the participants. (Xinhua/Jaap Arriens)