Usain Bolt of Jamaica kneels at the start line of 100m on Day 10 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 13, 2017. (Xinhua/Han Yan)
Never stop trying, Usain Bolt tells younger generation
Source: Xinhua| 2017-08-14 06:50:08|Editor: Lu Hui
KEY WORDS: Bolt
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