Peveril Photo: 2016 World Snooker Championship final - Mark Selby leads Ding Junhui in first session
![Paul Collier on Twitter: "My good friend Zheng Weili becomes only 2nd Chinese referee at the Crucible. Proud of you mate, well done!! http://t.co/rIoyOUJrkI" / Twitter Paul Collier on Twitter: "My good friend Zheng Weili becomes only 2nd Chinese referee at the Crucible. Proud of you mate, well done!! http://t.co/rIoyOUJrkI" / Twitter](https://pbs.twimg.com/media/CC9pTtUW0AA0Vic.jpg:large)
Paul Collier on Twitter: "My good friend Zheng Weili becomes only 2nd Chinese referee at the Crucible. Proud of you mate, well done!! http://t.co/rIoyOUJrkI" / Twitter
![25.04.2012, Sheffield, England. Paul Collier re-spots the cue ball during the World Snooker Championship from the Crucible Theatre Stock Photo - Alamy 25.04.2012, Sheffield, England. Paul Collier re-spots the cue ball during the World Snooker Championship from the Crucible Theatre Stock Photo - Alamy](https://c8.alamy.com/comp/CAWAPM/25042012-sheffield-england-paul-collier-re-spots-the-cue-ball-during-CAWAPM.jpg)