Chinese astronauts Chen Dong (C), Chen Zhongrui (R) and Wang Jie attend a send-off ceremony at the Jiuquan Satellite Launch Center in northwest China on April 24, 2025. A send-off ceremony for the three Chinese astronauts of the Shenzhou-20 crewed space mission was held here on Thursday, according to the China Manned Space Agency. (Xinhua/Li Xin)

JIUQUAN, April 24 (Xinhua) -- A send-off ceremony for the three Chinese astronauts of the Shenzhou-20 crewed space mission was held on Thursday at the Jiuquan Satellite Launch Center in northwest China, according to the China Manned Space Agency.