Green office building, large windows, natural ventilation systems, operable windows, clerestory windows, skylights, atriums, internal courtyards, lush greenery, living walls, air-purifying plants, comfortable indoor climate, soft daylight, warm atmosphere, energy-efficient design, sustainable architecture, modern minimalist style, sleek metal frames, glass facades, urban cityscape, busy street views, 1/2 composition, subtle color palette, realistic textures, ambient occlusion.