
China's Chen Long reacts during a men's singles group play stage match of Badminton against Poland's Adrian Dziolko at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Chen Long won 2-0. (Xinhua/Han Yan)

China's Chen Long reacts during a men's singles group play stage match of Badminton against Poland's Adrian Dziolko at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Chen Long won 2-0. (Xinhua/Han Yan)