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Chief Designer: Tianwen-1 success based on collective efforts
02:02

China released new videos and photos captured by its first mission to Mars on June 27. The Tianwen-1 landed in mid-May and has been exploring the Red Planet since. CGTN reporter Sun Tianyuan sat down with Zhang Rongqiao, chief designer of the Tianwen-1, to learn more about China's success in this interstellar expedition.

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