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LUOYANG, CHINA - MAY 29: Children take part in a football contest in celebration of upcoming International Children's Day at a kindergarten on May 29, 2018 in Luoyang, Henan Province of China. Football has become a compulsory part of the national curriculum in China. (Photo by VCG/VCG via Getty Images)

LUOYANG, CHINA - MAY 29:  Children take part in a football contest in celebration of upcoming International Children's Day at a kindergarten on May 29, 2018 in Luoyang, Henan Province of China. Football has become a compulsory part of the national curriculum in China.  (Photo by VCG/VCG via Getty Images)