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As the world welcomes 2022, three Chinese astronauts aboard the Tiangong space station, Zhai Zhigang, Wang Yaping and Ye Guangfu, are celebrating the New Year in space. Looking back at 2021, China witnessed many exciting moments and achievements in the aerospace industry, from upscaling the space station to orbiting Mars. CGTN's Huang Yue summarizes these achievements at Beijing Aerospace Control Center.