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Drones fly over wheat field to spray insecticide

(Xinhua) Updated: 2015-06-12 08:08 Comments

Drones fly over wheat field to spray insecticide

A drone fly over a wheat field to spray insecticide at a farm in Wenjiazhuang village, Luancheng district, Shijiazhuang city, North China's Hebei province, May 19, 2015.[Photo/Xinhua]

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