PNC Plaza formerly known as RBC Plaza is the largest and tallest skyscraper in the city of Raleigh North Carolina USA. The tower rises to a height of 538 feet (164 m) and is situated on a 0.83-acre (3400 m2) lot housing approximately 730000 square feet (68000 m2) of office and retail space parking and residential condominiums. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Building