Q:Wenner-Gren Center - Wenner-Gren Center is a tower and building complex in Vasastaden Stockholm Sweden. The building was constructed 19591961 and opened in 1962.The Center consists of three buildings named Helicon Pylon and Tetragon. Pylon is a high tower Helicon is a lower semicircular part surrounding the tower and Tetragon is a box-shaped building next to the tower. 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?
A:
Building