A Long March-2D carrier rocket carrying the Tianhui-1C mapping satellite blasts off from the launch pad at the Jiuquan Satellite Launch Center in northwest China's Gansu Province, Oct. 26, 2015. Designed by a subsidiary of the CASTC, Tianhui-1C is the third satellite in the Tianhui-1 series and will be used for scientific experiments, land resource surveys, mapping, crop yield estimation and disaster relief. (Photo: Xinhua/Yang Shiyao)
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