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Photo taken on Jan. 18, 2018 shows the exterior scene of the 24-hour self-service library in Hohhot, capital of north China's Inner Mongolia Autonomous Region. (Xinhua/Peng Yuan)
Photo taken on Jan. 18, 2018 shows the exterior scene of the 24-hour self-service library in Hohhot, capital of north China's Inner Mongolia Autonomous Region. (Xinhua/Peng Yuan)