 They are in the Chingeltei District (established in 1946), in the Han-Uul District (established in 1948), in the Bayanzurkh District (established in 1968) and in the Songino-Hairkhan District (established in 1991).There is also a Children's Central Library, which was established in 1979.The International Children's Digital Library (ICDL) is an organization that publishes numerous children's books in different languages on the web in child-friendly formats.