Modern Australian architecture, futuristic landscape, 1925-1975 era, Sydney Opera House inspiration, sleek lines, curved shapes, bold structures, brutalist elements, concrete, steel, glass materials, angular roofs, cantilevered floors, open spaces, minimal ornamentation, functional design, 3/4 composition, low-angle shot, warm lighting, cloudy sky, eucalyptus trees, urban setting, cityscape background, vibrant color palette, abstract shapes, geometric patterns, retro-futuristic ambiance.