The 2019 IAAF Diamond League event kicked off in Shanghai on Saturday. Athletes from multiple countries including Qatar's Abderrahman Samba for men's 400-meter hurdles and Germany’s Thomas Rohler for Javelin throw attended. China's top sprinter Su Bingtian finished 5th in the men's 100m race, but clocked 10.05 seconds to meet the entry standard for the 2020 Tokyo Olympic Games. China collected two gold medals and four silver medals as well as one Asian record on Saturday. (Photos: Yang Hui/GT)