Rustic gymnasium buildings, functionalist architecture, rectangular forms, large windows, steel frames, industrial materials, minimalist interiors, concrete floors, natural light, open spaces, sports equipment, athletic tracks, green roofs, integrated landscape design, lush vegetation, native plants, walking paths, outdoor classrooms, educational signage, sunny day, soft warm lighting, shallow depth of field, 3/4 composition, panoramic view, realistic textures, ambient occlusion.