A mother and daughter read books during a book fair in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, April 21, 2018. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/Yu Xiangquan)
Children and adults read books during a book fair in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, April 21, 2018. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/Yu Xiangquan)
A mother and son read a book during the reading activity held by a kindergarten in Qingdao City, east China's Shandong Province, April 22, 2018. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/Wang Haibin)
A father takes his baby to read a book at a library in Yuqing County, southwest China's Guizhou Province, April 22, 2018. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/He Chunyu)
Children and adults read books during a reading activity in Anqing City, east China's Anhui Province, April 22, 2018. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/Huang You'an)
Children and adults read books at Lunan Bookstore in Zaozhuang City, east China's Shandong Province, April 22, 2018. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/Sun Zhongzhe)
Children and adults select books during a reading activity held by Children's Library in Nantong City, east China's Jiangsu Province, April 22, 2018. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/Xu Congjun)
People read books at a 24-hour library in Rongcheng City, east China's Shandong Province, April 22, 2018. Over 10,000 books are available for the readers in the library. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/Wang Fudong)
Readers select books at a 24-hour library in Rongcheng City, east China's Shandong Province, April 22, 2018. Over 10,000 books are available for the readers in the library. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/Wang Fudong)
People read books at a 24-hour library in Rongcheng City, east China's Shandong Province, April 22, 2018. Over 10,000 books are available for the readers in the library. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/Wang Fudong)
People read books at a 24-hour library in Rongcheng City, east China's Shandong Province, April 22, 2018. Over 10,000 books are available for the readers in the library. April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995. (Xinhua/Wang Fudong)
