The Tiangong-2 stands with its carrier rocket on the launch pad at Jiuquan Satellite Launch Center in Jiuquan, northwest China's Gansu Province, Sept. 9, 2016. China's second space lab Tiangong-2 is scheduled to be put into space between September 15 and 20, according to the office of China's manned space program. (Xinhua/Yang Zhiyuan)
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