In space since October 16, 2021, a crew of Chinese astronauts embark on their second spacewalk to continue the construction of China's orbital station, Tiangong.
Screen image captured at Beijing Aerospace Control Center in Beijing, capital of China, Oct. 16, 2021 shows three Chinese astronauts, Zhai Zhigang (C), Wang Yaping (R) and Ye Guangfu (L), waving after entering the space station core module Tianhe. /Xinhua
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