Spacious hospital courtyard, lush green walls, natural ventilation systems, operable windows, clerestory windows, solar tubes, wind catchers, shading devices, overhangs, atrium spaces, open-air corridors, breezeways, cross-ventilation designs, single-story wings, earth-sheltered buildings, passive solar heating, cooling strategies, thermal mass integration, healthy indoor air quality, comfortable temperature ranges, humidity control systems, natural light abundance, soft diffused lighting, warm color schemes, organic shapes, calming ambiance.