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Amina Mohammed (right), cabinet secretary in Kenya's Ministry of Education, Science and Technology and Bai Chunli (left), president of the Chinese Academy of Sciences display the signed document on Dec 13, 2018 in Nairobi, Kenya. [Photo provided to China Daily]

Among them are children from less-developed areas in China, such as Danzhai county in Southwest China's Guizhou province, who are getting the chance to travel abroad for the first time. Young Chinese players from Wanda's Future Football Stars program are also joining in.

American public school systems are deciding how — and even if — they can reopen safely in the fall, with those planning to resume classes unveiling a hybrid model of teaching in-person and online to keep students safe from the novel coronavirus pandemic.

American and United airlines say they will place passengers who refuse to wear a face mask on an "internal travel restriction list" and bar them from future flights for an indeterminate period.

Amazon’s plan to forge ahead with Prime Day despite those complications reveals how essential the six-year-old shopping holiday has become to the company.