April 23 marks the World Book Day, which was promoted by UNESCO as a worldwide celebration of reading since 1995.
Xinhua丨Updated: April 23, 2018
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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.