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Zhangye hosts aviation event
Updated: 2016-09-02( chinadaily.com.cn )
An exhibitor introduces unmanned aerial vehicles to the visitors in Zhangye city, Gansu province on Aug 27. [Photo/Xinhua] |
An exhibitor introduces unmanned aerial vehicles to the visitors in Zhangye city, Gansu province on Aug 27. [Photo/Xinhua] |
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