Geometric office building, constructivist architecture, bold angular lines, fragmented forms, industrial materials, exposed ductwork, metallic surfaces, riveted steel beams, concrete walls, abstract sculptures, urban cityscape, cloudy day, dramatic backlighting, high-contrast shadows, dynamic composition, avant-garde design, revolutionary spirit, futuristic ambiance, sharp geometric shapes, overlapping planes, diagonal rhythms, monochromatic color scheme, brutalist textures, atmospheric perspective.