Alexander Ursenbacher/Luis Vetter (L) of Switzerland react during the group match between Alexander Ursenbacher/Luis Vetter of Switzerland and Zhou Yuelong/Liang Wenbo of China B at the 2019 Snooker World Cup in Wuxi, east China's Jiangsu Province, June 26, 2019. China B won 4-0. (Xinhua/Yang Lei)