Exterior view of Opera house in Oslo. New modern building designed by Snohetta architects. It is the National Theater of Opera and Ballet of Norway. Europe, Norway, Norwegian, Oslo, Scandinavia, Scandinavian, architectural, architecture, attraction, auditorium, building, city, construction, contemporary, culture, design, destination, dusk, exterior, glass, iconic, landmark, marble, modern, national, nordic, opera, operahuset, oslo opera house, roof, snohetta, snhetta, theater, tourism, travel, urban