
China's Ding Junhui reacts during the second session of his quarterfinal with England's Ronnie O'Sullivan at the World Snooker Championships 2017 at the Crucible Theatre in Sheffield, Britain on April 25, 2017. (Xinhua/Han Yan)

China's Ding Junhui reacts during the second session of his quarterfinal with England's Ronnie O'Sullivan at the World Snooker Championships 2017 at the Crucible Theatre in Sheffield, Britain on April 25, 2017. (Xinhua/Han Yan)