Sustainable watching tower, coastal scenery, modern minimalist architecture, steel frame, reclaimed wood, solar panels, green roof, wind turbines, circular shape, panoramic view, 360-degree observation deck, binoculars, telescopes, interactive exhibits, educational signs, eco-friendly materials, low-carbon footprint, energy-efficient systems, natural ventilation, large windows, ocean-inspired color palette, driftwood accents, seaside plants, sandy dunes, rocky shores, seagulls flying overhead, soft golden lighting, serene atmosphere.