China launches first space class from Tiangong space station(1/7)

A child watches a live class delivered by the Shenzhou-13 crew, in front of an outdoor screen in Dongcheng District, Beijing, Dec. 9, 2021. China's first space class from its space station Tiangong was held on Thursday afternoon, given by Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu. (Photo: China News Service/Hou Yu)

A man and his child watch a live class delivered by the Shenzhou-13 crew, in front of an outdoor screen in Dongcheng District, Beijing, Dec. 9, 2021. China's first space class from its space station Tiangong was held on Thursday afternoon, given by Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu. (Photo: China News Service/Hou Yu)

A citizen watches a live class delivered by the Shenzhou-13 crew, in front of an outdoor screen in Dongcheng District, Beijing, Dec. 9, 2021. China's first space class from its space station Tiangong was held on Thursday afternoon, given by Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu. (Photo: China News Service/Hou Yu)

A man and his child watch a live class delivered by the Shenzhou-13 crew, in front of an outdoor screen in Dongcheng District, Beijing, Dec. 9, 2021. China's first space class from its space station Tiangong was held on Thursday afternoon, given by Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu. (Photo: China News Service/Hou Yu)

The Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu give the first space lecture from China's space station Tiangong, Dec. 9, 2021. (Photo: China News Service/Hou Yu)

The Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu give the first space lecture from China's space station Tiangong, Dec. 9, 2021. (Photo: China News Service/Hou Yu)

The Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu give the first space lecture from China's space station Tiangong, Dec. 9, 2021. (Photo: China News Service/Hou Yu)