Gold medalist Mohammadali Khosrarvi (2nd L) of Iran, silver medalist Lee Meng-En (1st L) of Chinese Taipei, bronze medalists Nisar Ahmad Abdul Rahimzai (2nd R) of Afghanistan and Ethan McClymont of Canada attend the awarding ceremony of the men's +73kg taekwondo event at the 2018 Summer Youth Olympic Games in Buenos Aires, Argentina on Oct. 11, 2018. (Xinhua/Li Ming)