Please answer the following question: City Center Sofia - City Center Sofia is a shopping mall located in Sofia Bulgaria opened in the spring of 2006. It is situated to the south of the National Palace of Culture in the municipality of Triaditsa at the intersection of the Boulevards Cherni vrah and Arsenalski next to European Union Metro Station and diagonally opposed to the Hemus Hotel. The mall has six stories (including 2 underground) and a total built-up area of 44000 m. 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