This is a photo of the Copenhagen Opera House (Operaen in Danish), the national opera house of Denmark, and among the most modern opera houses in the world. It is also one of the most expensive opera houses ever built with construction costs well over 500 million U.S. dollars. It is located on the island of Holmen in central Copenhagen.
The Opera House was designed by the architect Henning Larsen and engineers Ramboll and Buro Happold and Theatre Consultant Theatreplan. The acoustics were designed by Arup Acoustics and architectural lighting design by Speirs and Major Associates. Construction began in June 2001 and was completed on October 1, 2004. It was opened on January 15, 2005.