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Bladimir Diaz (R) of Puerto Rico wins 2019 star coach during the 2019 ITTF star Awards ceremony in Zhengzhou, central China's Henan Province, on Dec. 11, 2019. (Xinhua/Li An)
Bladimir Diaz (R) of Puerto Rico wins 2019 star coach during the 2019 ITTF star Awards ceremony in Zhengzhou, central China's Henan Province, on Dec. 11, 2019. (Xinhua/Li An)