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A twin kids read books in the Shanxi Library in Taiyuan, capital city of north China's Shanxi Province, Feb. 15, 2018, the first day of the Spring Festival holiday. (Xinhua/Cao Yang)
A twin kids read books in the Shanxi Library in Taiyuan, capital city of north China's Shanxi Province, Feb. 15, 2018, the first day of the Spring Festival holiday. (Xinhua/Cao Yang)