Natural ventilation systems, clerestory windows, green roofs, solar-powered skylights, earthy tones, reclaimed wood accents, organic shapes, curved lines, open floor plans, airy atriums, lush indoor gardens, tropical plants, natural stone walls, exposed ductwork, industrial chic aesthetic, high ceilings, abundant daylight, soft diffused lighting, 1/1 composition, realistic textures, ambient occlusion.