
Xue Changrui of China competes during the Men's Pole Vault Final on Day 5 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 8, 2017. Xue took the fourth place with 5.82 metres. (Xinhua/Han Yan)

Xue Changrui of China competes during the Men's Pole Vault Final on Day 5 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 8, 2017. Xue took the fourth place with 5.82 metres. (Xinhua/Han Yan)