A helicopter performs during the opening ceremony of the 5th Shenyang Faku International Flight Conference in Faku County of Shenyang, capital of northeast China's Liaoning Province, Aug. 26, 2016. The three-day flight conference, which is also the 2016 China Shenyang International Aviation Expo, kicked off here on Friday. (Xinhua/Yao Jianfeng)
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