Advertisement50 Years Later, The Legacy Of U.S.-China 'Pingpong Diplomacy' Faces ChallengesApril 10, 2021John RuwitchfacebookEmailChinese and U.S. table tennis players train together in April 1971 in Beijing. April 10 marks the 50th anniversary of what became known as pingpong diplomacy between the two nations. (AFP via Getty Images)