ଦୋହାରେ ଚାଲିଥିବା ଆଇଏଏଏଫ ବିଶ୍ବ ଆଥେଲେଟିକ୍ସ ଚମ୍ପିୟାନସିପ

DOHA, Sept. 29 (Xinhua) -- Xie Zhenye of China (front) competes during the men's 100m semifinal at the 2019 IAAF World Athletics Championships in Doha, Qatar, Sept. 28, 2019. Xinhua/UNI PHOTO-3F