China's Liu Hong celebrates after the women's 20KM race walk at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 19, 2016. Liu Hong won the gold medal. (Xinhua/Wang Lili)
China's Liu Hong celebrates after the women's 20KM race walk at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 19, 2016. Liu Hong won the gold medal. (Xinhua/Wang Lili)
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