Modern 1960s building, skyscraper, sleek lines, geometric shapes, glass curtain walls, steel beams, minimalist decoration, retro futuristic vibe, urban cityscape, sunny day, bright blue sky, few puffy white clouds, dramatic shadows, low-angle shot, symmetrical composition, clean lines, brutalist architecture, concrete texture, metallic sheen, reflections on glass surfaces, bustling streets, pedestrians in 1960s attire.