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Mark Williams of Wales competes during his final match against John Higgins of Scotland at the World Snooker Championship 2018 at the Crucible Theatre in Sheffield, Britain on May 6, 2018. (Xinhua/Han Yan)
Mark Williams of Wales competes during his final match against John Higgins of Scotland at the World Snooker Championship 2018 at the Crucible Theatre in Sheffield, Britain on May 6, 2018. (Xinhua/Han Yan)