Exposed ductwork, industrial pipes, functional mechanical systems, brutalist concrete structures, angular geometric forms, minimalist ornamentation, repetitive modular patterns, raw unfinished materials, bold color accents, urban cityscape, cloudy overcast sky, soft diffused lighting, shallow depth of field, 1/2 composition, symmetrical framing, high-contrast textures, ambient occlusion, thermal insulation, fiberglass batts, reflective radiant barriers, spray foam insulation, double-glazed windows, low-e glass, solar shading devices.