Photo shows the model of China's space station core module Tianhe displayed in Shanghai Astronomy Museum in east China's Shanghai, July 5, 2021. The Shanghai Astronomy Museum, the world's largest planetarium in terms of building scale, will open on July 17, the planetarium announced Monday. The museum is located in the China (Shanghai) Pilot Free Trade Zone Lingang Special Area. It is a branch of the Shanghai Science and Technology Museum. (Xinhua/Fang Zhe)
