Li Na attends induction ceremony of International Tennis Hall of Fame

French tennis player Mary Pierce (3rd L), Russian tennis player Yevgeny Kafelnikov (1st L) and Chinese tennis player Li Na (2nd L) sign autographs and pose for pictures before the induction ceremony of the International Tennis Hall of Fame in Newport of Rhode Island, the United States, July 20, 2019. (Xinhua/Wang Ying)