Modern gymnasium building, large windows, natural ventilation, recycled rubber flooring, FSC-certified wood accents, low-VOC paint, bamboo ceiling panels, energy-efficient LED lighting, solar panels, green roofs, rainwater harvesting systems, eco-friendly materials, minimalist design, open spaces, flexible layouts, basketball courts, running tracks, exercise equipment, motivational quotes, inspirational murals, vibrant colorful walls, dynamic architecture, futuristic design, panoramic views, shallow depth of field, 3/4 composition, realistic textures, ambient occlusion.