Critique scene, San Diego Zoo, modern architecture, organic curves, green roofs, natural materials, wooden accents, steel frames, open spaces, tropical landscape, lush vegetation, exotic plants, water features, koi ponds, walking paths, observation decks, animal enclosures, visitor amenities, educational signage, interpretive exhibits, panoramic views, warm lighting, afternoon sun, cloudy sky, soft focus background, 3/4 composition, natural colors.