The second live class from China's space station was held on Wednesday afternoon, delivered by Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu to students on Earth.

The class began at 3:40 p.m. (Beijing Time) and was attended by students from three classrooms across China. The main classroom was located in the China Science and Technology Museum, while others were respectively set up in Lhasa in southwest China's Tibet Autonomous Region and Urumqi in northwest China's Xinjiang Uygur Autonomous Region.

Wang, assisted by the other two crew members, conducted several scientific experiments, such as the crystallization of supersaturated solution, a liquid bridge demonstration, water-oil separation and throwing objects under the zero-gravity condition, amazing numerous students on Earth.

The 45-minute lecture also featured an introduction to the space science facilities and a real-time Q&A session with the students via video call, according to the China Manned Space Agency.