Windmill in an Office Building — Concept Art

An expansive concept art scene of a modern high-rise office building with a colossal windmill integrated into the central atrium. Transparent glass walls, steel beams, and an open stairwell winding around the turbine. Daylight streams through the glass ceiling; the windmill blades gracefully rotate above a workplace lobby with desks, plants, and holographic screens. The vibe is sci-fi/futuristic yet grounded in plausible architecture. Bold shapes, dramatic lighting, painterly textures. Render in a 3D illustration style with clean lines, soft gradients, and atmospheric depth. Color palette of cool whites and blues with warm sunlight, metallic silvers. The windmill hub connects to energy dashboards. Emphasize scale between giant blades and human-scale furniture.