Students attend a live class given by the Shenzhou-13 crew members, in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Dec. 9, 2021. The first live class from China's space station was held on Thursday afternoon, given by Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu to students on Earth. (Xinhua/Zhou Hua)
