Nyang James Chiengjiek of Refugee Olympic Team reacts after the men's 400m heat at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 12, 2016. (Xinhua/Li Ming)
Nyang James Chiengjiek of Refugee Olympic Team reacts after the men's 400m heat at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 12, 2016. (Xinhua/Li Ming)