A presentation model of the ESTEC building in Noordwijk. The building consists of a high-rise and low-rise connected by a corridor. The low-rise consists of circular building volumes with sloping light and dark gray roofs. The shape creates courtyards or connection to the outside. The high-rise consists of polygonal building volumes with brown facades and gray roofs. The exteriors of both buildings are detailed on the facade. Green represents the greenery and gray represents the infrastructure.