In pics: finals of 2019 IAAF Diamond League

Caster Semenya (R) of South Africa competes during the women's 800m final at 2019 IAAF Diamond League at Khalifa International Stadium in Doha, Qatar, May 3, 2019. Caster Semenya won the gold medal with 1 minute and 54.98 seconds. (Xinhua/Nikku)