Zhou Yuelong of China B contemplates as Ben Mertens of Belgium looks on during the quarterfinal between Zhou Yuelong/Liang Wenbo of China B and Luca Brecel /Ben Mertens of Belgium at the 2019 Snooker World Cup in Wuxi, east China's Jiangsu Province, June 29, 2019. Team China B won 4-2. (Xinhua/Ji Chunpeng)