Copenhagen, Denmark-2 August, 2018: The National Opera House located on the island of Holmen in central Copenhagen. One of the most expensive opera houses ever built with construction costs well over US$500 million Calendar #415179024
Copenhagen, Denmark-2 August, 2018: The National Opera House located on the island of Holmen in central Copenhagen. One of the most expensive opera houses ever built with construction costs well over US$500 million Calendar #415179024