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Cheng Chin Lung (1st R) of China's Hong Kong vies with Nakagawa Teruhito (2nd R) of Japan during their men's match at the 2019 East Asian Cup in Busan, South Korea, Dec. 14, 2019. (Xinhua/Zhang Keren)

Cheng Chin Lung (1st R) of China's Hong Kong vies with Nakagawa Teruhito (2nd R) of Japan during their men's match at the 2019 East Asian Cup in Busan, South Korea, Dec. 14, 2019. (Xinhua/Zhang Keren)