Georgii Popov (R) of Russia reaches out to injured Mahamadou Maharana Amadou T of Niger during the taekwondo men's 55kg semifinal against Georgii Popov of Russia at the 2018 Summer Youth Olympic Games in Buenos Aires, Argentina on Oct. 8, 2018. Mahamadou Maharana Amadou T lost 13-33. (Xinhua/He Changshan)