Geological Museum of China free opening on Earth Day

Visitors view an exhibition at the Geological Museum of China in Beijing, capital of China, April 21, 2023. To mark the 54th Earth Day, the Geological Museum of China was open to the public for free from April 21 to 23, and several themed exhibitions and popular science activities were held to attract visitors. (Du Jianpo/Guangming Picture)

Visitors view an exhibition at the Geological Museum of China in Beijing, capital of China, April 21, 2023. To mark the 54th Earth Day, the Geological Museum of China was open to the public for free from April 21 to 23, and several themed exhibitions and popular science activities were held to attract visitors. (Du Jianpo/Guangming Picture)

Visitors view an exhibition at the Geological Museum of China in Beijing, capital of China, April 21, 2023. To mark the 54th Earth Day, the Geological Museum of China was open to the public for free from April 21 to 23, and several themed exhibitions and popular science activities were held to attract visitors. (Du Jianpo/Guangming Picture)