Sydney Opera House, iconic building, Australia, harbor, white concrete, series of interlocking arches, rooftops, glass walls, wooden floors, grand staircase, performance hall, red velvet curtains, spotlights, audience seating, backstage area, rehearsals, dramatic lighting, daytime, sunny, blue sky, sailboats in the background, Sydney Harbour Bridge, cityscape, panoramic view, low-angle shot, majestic composition.