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Su Bingtian of China reacts before the men's 100m match at the IAAF World Challenge Meeting Madrid 2018 in Madrid, Spain, June 22, 2018. (Xinhua/Edward Peters Lopez)
Su Bingtian of China reacts before the men's 100m match at the IAAF World Challenge Meeting Madrid 2018 in Madrid, Spain, June 22, 2018. (Xinhua/Edward Peters Lopez)