Eco-friendly gymnasium, natural ventilation systems, green roofs, solar panels, recycled materials, exposed wooden beams, large windows, abundant natural light, minimal artificial lighting, earthy color palette, organic textures, sustainable flooring, energy-efficient equipment, modern minimalist design, open-plan layout, flexible spaces, dynamic athletic areas, basketball courts, running tracks, sports equipment, motivational quotes, inspirational posters, refreshing water features, serene outdoor spaces, lush greenery, vibrant flowers, sunny day, soft warm lighting, shallow depth of field, 3/4 composition, realistic textures, ambient occlusion.