Michigan State University, Ohio University, the University of Wisconsin–Milwaukee, the University of Texas at Austin, the University of Copenhagen, and London are six diverse and relevant examples of notable residential campuses that each display different relevances to contemporary dormitories in higher education. Michigan State has the largest hall; Ohio possesses four residential greens built into the campus; Wisconsin-Milwaukee has four notable tower constructions to house students; Texas maintains a residence hall with several high-tech amenities; Copenhagen has one of the world's oldest residence halls; and London possesses one of the largest metropolitan living quarters for university students.