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A Boeing 787-9 Dreamliner is seen at the Boeing Charleston factory in South Carolina, the United States, May 18, 2016. Air China received the first Boeing 787-9 Dreamliner May 18, 2016. (Xinhua)
A Boeing 787-9 Dreamliner is seen at the Boeing Charleston factory in South Carolina, the United States, May 18, 2016. Air China received the first Boeing 787-9 Dreamliner May 18, 2016. (Xinhua)