Zheng Jie, a well-known Chinese tennis player, takes a selfie with tennis fans at the Diamond Court of the National Tennis Centre in Beijing on September 5, 2015. Zheng Jie and 767 tennis fans created a new Guinness World Record — the largest number of people bouncing tennis balls together—under the supervision of a Guinness adjudicator. (Photo: China News Service/Han Haidan)
