The China National Space Administration (CNSA) releases mid-flight images of Mars probe Tianwen-1 on Oct. 1, 2020. It is the first time that Tianwen-1 took selfies. (CNSA/Handout via Xinhua)
In pics: China's science and technology achievements in 2020
Source: Xinhua| 2020-12-18 17:51:52|Editor: huaxia
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