A reader reads a book at a bookstore in Anshan, northeast China's Liaoning Province, on the World Book Day, April 23, 2020. (Photos: Xinhua)

A reader chooses books at a bookstore in Shanghai, east China, on the World Book Day, April 23, 2020.

A staff member sorts out books at a bookstore in Changsha, central China's Hunan Province, on the World Book Day, April 23, 2020.

A mother and her children read a book at a book building in Zhengzhou, central China's Henan Province, on the World Book Day, April 23, 2020.

A reader purchases books at a bookstore in Fuzhou, southeast China's Fujian Province, on the World Book Day, April 23, 2020.

Readers tries to make bookplates at Ningxia Library in Yinchuan, northwest China's Ningxia Hui Autonomous Region, on the World Book Day, April 23, 2020.

Readers read books at a bookstore in Changsha, central China's Hunan Province, on the World Book Day, April 23, 2020.

Photo take on April 23, 2020 shows a reading salon at a book store in Zhengzhou, central China's Henan Province, on the World Book Day.