 One of Copenhagen's old telephone kiosks of the original model which was designed by Fritz Koch and first installed in 1896.It is hexagonal with a copper roof over richly decorated wooden friezes.The square is dominated by the Modernist building "Lagkagehuset" ("The Layer Cake House"), which was built on the site of the former penitentiary between 1929 and 1932 to a design by Edvard Thomsen.