China's Hu Jianguan (R) reacts during the men's fly(52KG) semifinal of boxing against Russia's Misha Aloian at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 19, 2016. Hu Jianguan lost the match. (Xinhua/Lin Yiguang)
China's Hu Jianguan (R) reacts during the men's fly(52KG) semifinal of boxing against Russia's Misha Aloian at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 19, 2016. Hu Jianguan lost the match. (Xinhua/Lin Yiguang)