Modern 3D architectural visualization, Australian cityscape, Sydney Opera House, Melbourne skyscrapers, Brisbane waterfront, sunny afternoon, clear blue sky, fluffy white clouds, detailed building textures, reflective glass windows, steel framework, urban landscape, busy streets, pedestrian crossings, streetlights, trees lining the sidewalk, vibrant flowers in planters, natural stone pavement, shallow depth of field, cinematic composition, high-contrast lighting, 4K resolution, photorealistic rendering.