Rustic library exterior, pitched roofs, terra cotta tiles, wooden trusses, exposed beams, natural stone walls, green roof systems, solar panels, skylights, clerestory windows, ambient lighting, warm earthy tones, cozy reading nooks, comfortable seating areas, rich wood accents, ornate metalwork, decorative railings, lush vegetation, blooming flowers, tranquil atmosphere, soft focused lighting, shallow depth of field, 2/3 composition, realistic textures, ambient occlusion.