Photo taken on Oct. 12 shows students from Jiangsu Province attending the third live session of the "Tiangong Class" series. Shenzhou-14 crew members Chen Dong, Liu Yang and Cai Xuzhe introduced their work and life from the Wentian lab module. The astronauts showed experiments in a microgravity environment and plant growth study, and answered questions from students too. (CFP Photo)
