Geometric windows, rectangular frames, primary color accents, industrial metal sashes, minimalist ornamentation, functional simplicity, rationalist aesthetic, clean lines, rectangular compositions, bold typography, avant-garde spirit, Germanic influences, early 20th-century modernity, urban landscape views, cloudy skies, soft diffused lighting, shallow depth of field, 2/3 composition, symmetrical balance, high-contrast colors, abstract textures, subtle reflections.