Modern gymnasium interior, high ceilings, polished wooden floors, steel beams, industrial-style lighting fixtures, metal halide lamps, LED strips, suspended ceiling-mounted lights, exposed ductwork, concrete walls, motivational quotes, athletic equipment, basketball hoops, volleyball nets, exercise machines, free weights, treadmills, mirrored walls, sound-absorbing panels, bright and airy atmosphere, high-contrast lighting, dramatic shadows, 1/2 composition, shallow depth of field, realistic textures.