Sleek hospital exterior, large windows, natural ventilation systems, operable louvers, clerestory windows, solar shading devices, green roofs, living walls, vertical gardens, calming interior courtyard, natural materials, earthy tones, minimal mechanical systems, energy-efficient design, open floor plans, airy corridors, abundant daylighting, soft diffused light, 1/1 composition, shallow depth of field, realistic textures, ambient occlusion.