China's Lin Dan reacts during a men's singles group play stage match of Badminton against Vietnam's Nguyen Tien Minh at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 14, 2016. Lin Dan won 2-0. (Photo:Xinhua/Yin Bogu)
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China's Lin Dan reacts during a men's singles group play stage match of Badminton against Vietnam's Nguyen Tien Minh at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 14, 2016. Lin Dan won 2-0. (Photo:Xinhua/Yin Bogu)
