Modern gymnasium building, eco-friendly materials, reclaimed wood accents, large windows, natural light, ventilated roof systems, solar panels, green roofs, living walls, rainwater harvesting systems, recycled rubber flooring, low-VOC paints, FSC-certified wood structures, bamboo ceilings, energy-efficient LED lighting, minimalist interior design, open spaces, curved lines, functional layout, soft warm lighting, shallow depth of field, 3/4 composition, panoramic view.