Lin Dan (L) of China kisses his wife Xie Xingfang, who worked as the match commentator, after men's single final match against Lee Chong Wei of Malaysia at the 2013 BWF World Championships in Guangzhou, capital of south China's Guangdong Province, Aug. 11, 2013. Lin Dan claimed the title as Lee Chong Wei retired in the match. (Xinhua/Bai Xuefei)