China's first lady Peng Liyuan and Melinda Gates, co-founder of the Bill & Melinda Gates Foundation, attend the opening ceremony of the summer camp "Love in the Sun" on July 23, 2017. (Photo provided to China Daily)
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China's first lady Peng Liyuan and Melinda Gates, co-founder of the Bill & Melinda Gates Foundation, attend the opening ceremony of the summer camp "Love in the Sun" on July 23, 2017. (Photo provided to China Daily)
