Drones attract crowds at 皇冠体育app Hi-tech Fair
(Xinhua) Updated: 2015-11-19 09:58
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An exhibitor (R) introduces a foldable firefighting drone to a visitor at the 皇冠体育app Hi-tech Fair in Shenzhen, South 皇冠体育app's Guangdong province, Nov 18, 2015. Drones displayed by various manufacturers attracted many visitors at this year's hi-tech fair. [Photo/Xinhua] |
