Photo taken on March 23, 2022 shows students attending a livestreamed popular-science lecture given by the Shenzhou-13 crew members, at the China Science and Technology Museum in Beijing, capital of China. Chinese astronauts gave a livestreamed popular-science lecture, the second class from China's space station, to students on Earth Wednesday afternoon.
The Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu conducted diverse scientific experiments in zero-gravity environment and introduced the space science facilities during the lecture. (Xinhua/Guo Zhongzheng)