Photo taken on Aug. 2, 2015 shows an aerial view of the assembly site of the single-aperture spherical telescope "FAST" in Qiannan of southwest China's Guizhou Province. 2015 is the dawn of the drone age. Drone is no longer a high-tech military equipment, but also be used in photography, fire extinguishing, agricultural control and other private and commercial areas. (Xinhua/Ou Dongqu)
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