Tiangong-2, China's second space lab, aboard the CZ-2F rocket carrier, is transferred to the launch pad at the Jiuquan Satellite Launch Center in Gansu province on Friday. (Photo by DA KE/ FOR CHINA DAILY)
Tiangong-2, China's second space lab, aboard the CZ-2F rocket carrier, is transferred to the launch pad at the Jiuquan Satellite Launch Center in Gansu province on Friday. (Photo by DA KE/ FOR CHINA DAILY)