ilding cost 500 million euro to build and took five years to build and is known for being the first Opera House in the world to let people walk on the roof of the building. The foyer and the roof are also used for concerts as well as the three stages.
Literature
Most great Norwegian authors have lived in Oslo for some period in their life. For instance, Nobel Prize-winning author Sigrid Undset grew up in Oslo, and described her life there in the autobiographical novel Elleve �r (1934; translated as The longest years; New York 1971).
The playwright Henrik Ibsen is probably the most famous Norwegian author. Ibsen wrote plays such as Peer Gynt, A Doll's House and The Lady from the Sea. The Ibsen Quotesproject completed in 2008 is a work of art consisting of 69 Ibsen quotations in stainless steel lettering which have been set into the granite sidewalks of the city's central streets.
In recent years, novelists like Lars Saabye Christensen, Tove Nilsen and Roy Jacobsen have described the city and its people in their novels. Early 20th-century literature from Oslo include poets Rudolf Nilsen and Andr� Bjerke.
Media
The newspapers Aftenposten, Dagbladet, Verdens Gang, Dagens N�ringsliv, Finansavisen, Dagsavisen, Morgenbladet, V�rt Land, Nationen and Klassekampen are published in Oslo. The main office of the national broadcasting company NRK is located at Marienlyst in Oslo, near Majorstuen. TVNorge (TVNorway) is also located in Oslo, while TV 2 (based in Bergen) and TV3 (based in London) operate branch offices in central Oslo. There is also a variety of specialty publications and smaller media companies. A number of magazines are produced in Oslo. The two dominant companies are Aller Media and Hjemmet Mortensen AB.
Sports
Holmenkollen National Arena and Holmenkollbakken is the country's main biathlon and Nordic skiing venue. It hosts annual world cup tournaments, including the Holmenkollen Ski
