A science video recorded by astronauts Chen Dong (1st L), Jing Haipeng (2nd L) and Wang Yaping for the youth and children in China goes online, Nov. 17, 2016. (Xinhua)
A science video recorded by astronauts Chen Dong (1st L), Jing Haipeng (2nd L) and Wang Yaping for the youth and children in China goes online, Nov. 17, 2016. (Xinhua)