South Africa's Caster Semenya (R) competes during 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/Yin Bogu)
South Africa's Caster Semenya (R) competes during 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/Yin Bogu)