Rugged concrete structures, fortress-like buildings, angular lines, brutalist facades, raw unfinished surfaces, exposed ductwork, industrial materials, steel beams, chunky columns, monumental staircases, cavernous open spaces, dramatic natural light, high ceilings, minimal ornamentation, functional simplicity, urban cityscape, dense metropolitan area, overcast skies, dramatic shadows, low-key lighting, 3/4 composition, realistic textures, ambient occlusion.