Modern gymnasium building, rectangular form, flat roof, curtain walls, steel frames, glass fa\u00e7ade, minimalist ornamentation, functionalism emphasis, open interior spaces, natural light influx, athletic track, basketball court, volleyball nets, exercise equipment, locker rooms, showers, wooden floors, acoustic panels, sleek lines, industrial materials, urban surroundings, bustling streets, afternoon sunlight, soft shadows, shallow depth of field, 2/3 composition, realistic textures.