Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu hosted the first live space class on Thursday afternoon from China's space station.
Female taikonaut Wang Yaping showed students on Earth a paper flower unfolding on a film of water.
Wang expressed good wishes to the students, encouraged them to pursue their dream and embrace the future.
(Compiled by Feng Zhenglin, edited by Lou Qingqing)