Two students experience traditional paper making in Danzhai County of Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, July 6, 2019. (Photos: Xinhua)

A student from east China's Jiangsu Province experiences wax painting in Danzhai County of Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, July 6, 2019.

Children pick books with their parents at a bookstore in Rongcheng, east China's Shandong Province, July 6, 2019.

Primary school students watch robots dancing during a science event in Boxing County of Binzhou City, east China's Shandong Province, July 6, 2019.

Students play at a football field in Zigui County of Yichang City, central China's Hubei Province, July 6, 2019.

A staff member and children participate in an experiment at a children activity center in Zunhua of Tangshan City, north China's Hebei Province, July 6, 2019.