Answer the following question: Public School No. 99 - Public School No. 99 also known as Columbus School is a historic elementary school located at Baltimore Maryland United States. It is a two story Romanesque Revival styled structure constructed in 1891 and expanded in 1905 and 1912. It features a three story central square tower with pyramidal roof and a flanking pair of cylindrical corner towers with conical roofs. The structure is currently used as the South Clifton Park Community Center.Public School No. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Building