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Photo taken on Jan. 24, 2019 shows the exterior of the China-aided development center for children with disabilities in the Mongolian capital Ulan Bator. The handover ceremony of the China-aided development center for children with disabilities was held in Ulan Bator on Thursday. The comprehensive center is equipped with 250 beds and advanced medical devices, and can provide medical treatments for 250 outpatients a day. (Xinhua/A Sigang)