Green roof, lush vegetation, natural materials, wooden accents, large windows, operable glass doors, clerestory windows, solar chimneys, wind catchers, atrium spaces, open floor plans, minimal obstacles, unobstructed airflow, high ceilings, exposed ductwork, metal grilles, suspended canopies, shading devices, overhangs, vertical green walls, living walls, bio-climatic design, passive ventilation strategies, cross ventilation, stack effect, natural convection, soft diffused lighting, warm earthy tones, organic shapes, harmonious balance, serene ambiance.