Photo taken on March 6, 2016 shows two unmanned devices from China North Industries Corporation on display at the second Unmanned Systems Exhibition & Conference in Abu Dhabi, United Arab Emirates. (Photo/Xinhua)
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Photo taken on March 6, 2016 shows two unmanned devices from China North Industries Corporation on display at the second Unmanned Systems Exhibition & Conference in Abu Dhabi, United Arab Emirates. (Photo/Xinhua)
