Children assemble architectural models in Qingdao, east China's Shandong Province, Aug. 12, 2025. Children across China take part in various kinds of activities to spend their summer holiday. (Xinhua/Li Ziheng)

A child participates in an interactive science experiment in Qingdao, east China's Shandong Province, Aug. 12, 2025. Children across China take part in various kinds of activities to spend their summer holiday. (Xinhua/Li Ziheng)

Children experience simulation inside a mock space capsule in Shijiazhuang, north China's Hebei Province, Aug. 12, 2025. Children across China take part in various kinds of activities to spend their summer holiday. (Photo by Chen Qibao/Xinhua)

Children visit a museum in Yinan County of Linyi, east China's Shandong Province, Aug. 12, 2025. Children across China take part in various kinds of activities to spend their summer holiday. (Photo by Wang Yanbing/Xinhua)