In this photo released by Xinhua News Agency, an image taken off the screen at the Beijing Aerospace Control Center shows Chinese astronauts from left, Cai Xuzhe, Chen Dong and Liu Yang wave from inside the Wentian lab module on Monday, July 25, 2022. China added the laboratory to its permanent orbiting space station Monday as it moves toward completing the structure in coming months. (Photo by Guo Zhongzheng/Xinhua via AP Photo)
