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People read in the State Library of South Australia in Adelaide, Australia, April 21, 2019. Tuesday is World Book Day, which is celebrated yearly on April 23 to promote reading, publishing and copyright. (Xinhua/Lyu Wei)
People read in the State Library of South Australia in Adelaide, Australia, April 21, 2019. Tuesday is World Book Day, which is celebrated yearly on April 23 to promote reading, publishing and copyright. (Xinhua/Lyu Wei)