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A visitor takes photos with her mobile phone during the first China Day in Rio de Janeiro, Brazil, Sept. 29, 2017. The first China Day in Rio de Janeiro was held on Friday. (Xinhua/Li Ming)

A visitor takes photos with her mobile phone during the first China Day in Rio de Janeiro, Brazil, Sept. 29, 2017. The first China Day in Rio de Janeiro was held on Friday. (Xinhua/Li Ming)