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