Spacious hospital corridors, high ceilings, clerestory windows, natural light pouring in, cross-ventilation systems, operable windows, solar chimneys, wind towers, green roofs, living walls, vertical gardens, internal courtyards, calming water features, soothing color schemes, minimal mechanical systems, energy-efficient design, sustainable building materials, airy waiting areas, peaceful patient rooms, soft natural lighting, shallow depth of field, 1/1 composition, realistic textures, ambient occlusion.