The third lecture of the "Tiangong Class," a series of educational sessions held by taikonauts at China Space Station, is held on Wednesday. During the lecture, Shenzhou-14 astronauts Chen Dong, Liu Yang and Cai Xuzhe will introduce the experiment cabinets installed at the Wentian lab module, demonstrate several water-related phenomena in a microgravity environment and show how plants grow in space. They will also interact with students on the Earth and take their questions. Join the class with CGTN!