The Norwegian National Opera & Ballet
The Norwegian National Opera & Ballet is the country's largest performing arts institution, with more than 600 employees working in about 50 professions and trades.
After its opening season in 2008, the Opera House in the old harbour area of Bjørvika soon became a landmark in Oslo.
Designed by the Norwegian architects Snøhetta, it is the first opera house in the world to let visitors walk on the roof.
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