South Africa's Caster Semenya celebrates after the women's 800m final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 20, 2016. Caster Semenya claimed the title. (Xinhua/Zheng Huansong)
South Africa's Caster Semenya celebrates after the women's 800m final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 20, 2016. Caster Semenya claimed the title. (Xinhua/Zheng Huansong)