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A bull is seen during a running of the bulls event of a festival in Huamantla, Tlaxcala, Mexico, Aug. 18, 2018. (Xinhua/Xin Yuewei)
A bull is seen during a running of the bulls event of a festival in Huamantla, Tlaxcala, Mexico, Aug. 18, 2018. (Xinhua/Xin Yuewei)