Visitors tour an exhibition showcasing over 300 ancient books from around the country in Beijing on Sept 9, 2019, part of the celebration of the 110th birthday of the National Library of China. (Photos: China Daily)

Visitors tour an exhibition showcasing over 300 ancient books from around the country in Beijing on Monday, part of the celebration of the 110th birthday of the National Library of China.

Visitors tour an exhibition showcasing over 300 ancient books from around the country in Beijing on Monday, part of the celebration of the 110th birthday of the National Library of China.