China, U.S. celebrate 48th anniversary of "Ping-Pong Diplomacy"

Liu Guoliang, president of the Chinese Table Tennis Association, signs autographs during the visit with the national table tennis team of the United States at the Nixon Presidential Library and Museum in Orange County, California, to mark the 48th anniversary of "Ping-Pong Diplomacy" Aug. 22, 2019. (Xinhua/Li Ying)