Photo taken on April 24, 2021 shows the main forum of the 2021 China Space Conference in Nanjing, east China's Jiangsu Province. The 2021 China Space Conference is held in Nanjing from April 23 to 26. (Xinhua/Ji Chunpeng)
2021 China Space Conference held in Nanjing
Source: Xinhua| 2021-04-25 07:30:20|Editor: huaxia
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