minimalist blue and white city skyline with modern architecture on a clean background.

city skyline architecture urban buildings cityscape skyscrapers towers downtown modern metropolis silhouette design minimalism urbanism panorama horizon illustration art structure construction realestate business economy capital development landmark urbanization planning environment infrastructure citylife travel tourism culture symbol lifestyle background futuristic finance growth skylineart perspective global structuredesign metropolisart downtownskyline urbanview cleanlines minimalart ai generated