Zhang Yufei (L, front) of Suezhelu team hugs teammate Yang Junxuan after the mixed 4X100m medley relay heat at the 2020 Chinese National Swimming Championships in Qingdao, east China's Shandong Province, Oct. 1, 2020. Suezhelu team broke the world record with 3 minutes 38.41 seconds. (Xinhua/Li Ziheng)
