Architecture, Building and Structure Design Vitra Tower Medical Office Building by Torres Arquitetos The Vitra Tower is a medical office building with offices and clinical rooms with eleven floors, located on a corner lot in the city of Santo Angelo, in the interior of the state of Rio Grande do Sul, Brazil. With a total of 22 private offices, the building sought an architecture that conveyed seriousness, bringing legitimacy to the services offered inside, but that was also pleasant and comfortable for users.