Old Aker Church
Old Aker Church () is a medieval era church located in Oslo, Norway. An active parish, the church is the oldest existing building in Oslo. The church is surrounded by Old Aker Cemetery.
Oslo City Hall
Oslo City Hall was officially opened on 15 May 1950, as part of the city's 900-year anniversary. Three musical compositions were written in connection with the celebrations, written by  Ludvig Irgens-Jensen, Eivind Groven and Karl Andersen.