A helicopter searches for runners after a 100km cross-country mountain marathon was hit by extreme weather, including hail, freezing rain and gale-force winds, leaving 21 runners dead, in Baiyin City, Gansu Province, China, May 23, 2021. /Xinhua
A helicopter searches for runners after a 100km cross-country mountain marathon was hit by extreme weather, including hail, freezing rain and gale-force winds, leaving 21 runners dead, in Baiyin City, Gansu Province, China, May 23, 2021. /Xinhua