© Provided by Xinhua During the hour-long lecture, the three astronauts showed the audiences around in the space station and performed fascinating expe
HONG KONG, Dec. 9 (Xinhua) Welcome to our space lesson! Applause and cheers resounded in several classrooms across China as students from different regions r
© Provided by Xinhua During the hour-long lecture, the three astronauts showed the audiences around in the space station and performed fascinating expe