Like many national universities, Ohio University includes its residence halls as a part of its campus architecture, augmenting the dormitories within plans for large sections of the urban campus. Ohio University includes three primary quadrangle residential lawns, also known as "greens," that have dormitories surrounding the central area per each. The greens, named for cardinal directions, include East Green, South Green, and West Green. Despite the appearance of the map, Voigt Hall and Scott Quadrangle are grouped onto East Green. There are no residence halls on College Green. The Sandburg Halls at University of Wisconsin–Milwaukee consists of four high-rise towers, with the tallest being the northernmost tower reaching tall (building), and (radio antenna). The halls combined have a total housing capacity of 2,700 students. Dobie Center, an off-campus, 27-story private dormitory next to the University of Texas at Austin, stands at . In addition to being a private residence for students, Dobie also contains a small 2-story mall, restaurants, and specialty stores. The Turku Student Village in Nummi, Turku has more than 4,700 dormitories, of which 138 are youth hostels. Notable landmarks in the area also include the more than 40-meter-high dormitory tower called Ikituuri, which maintains nearly 100 dormitories. The residents of the entire student village consist mainly of students from the University of Turku, Turku University of Applied Sciences and Åbo Akademi University. The Valkendorfs Kollegium at the University of Copenhagen was founded in 1589. Though not as old as some of the colleges of Oxford and Cambridge, it is among the oldest dormitories in the world. In Canada, student dormitories are more commonly called "residences" and students live "in residence". The Stone Frigate at Royal Military College of Canada in Kingston, Ontario was constructed in 1820 to store part of the dismantled fleet from the War of 1812. The former warehouse was converted into a residence and classrooms when the college was established in 1874. The Stone Frigate, a designated heritage building, was closed for more than 18 months for major renovations to the interior and exterior of the residence. The Capstone House at University of South Carolina in Columbia, South Carolina completed in 1967, standing at 18 stories, has the only revolving restaurant on an American college campus located on the 18th floor known as Top of Carolina Dining Room. Chapter Spitalfields in London is the world's tallest student accommodation building, standing at , with 33