Former world champions Xu Yinsheng, 83, Zhang Xielin, 81, and Shi Zhihao, 62, take part in a challenge for a ceremony held in the International Table Tennis Federation Museum in Shanghai to mark 50 years of "Ping-Pong Diplomacy."
Former world champions Xu Yinsheng, 83, Zhang Xielin, 81, and Shi Zhihao, 62, take part in a challenge for a ceremony held in the International Table Tennis Federation Museum in Shanghai to mark 50 years of "Ping-Pong Diplomacy."