Photo shows the opening ceremony of the Shanghai Astronomy Museum in east China's Shanghai, July 17, 2021. The Shanghai Astronomy Museum, the world's largest planetarium in terms of building scale, officially opens on Saturday and will be open to the public from Sunday. Covering an area of approximately 58,600 square meters, 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)
