Chen Long of China talks with his coach during the men's singles quarter finals group match in the Thomas Cup badminton tournament in Kunshan, East China's Jiangsu province, May 19, 2016. South Korea knocked out hosts China 3-1 in the Thomas Cup badminton quarterfinals in Kunshan, East China's Jiangsu province, May 19, 2016. It means China has failed to make the semi-finals for the first time since 1979. (Photo: China News Service/Han Haidan)