Participants compete in a variety of poses at the 2018 WBPF International Bodybuilding and Fitness Open Invitational Championships held in Qingdao, East China's Shandong province. [Photo provided to chinadaily.com.cn]

Women flex muscular poses during competition at the 2018 WBPF International Bodybuilding and Fitness Open Invitational Championships held in Qingdao, East China's Shandong province. [Photo provided to chinadaily.com.cn]