Modern gymnasium interior, polished wooden floors, sports equipment, basketball hoops, bleachers, sound-absorbing panels, acoustic diffusers, echo-reducing materials, reverberation control systems, clear sightlines, high ceilings, natural light pouring in, large windows, exterior courtyard views, calming color scheme, professional audio systems, microphone installations, loudspeaker placements, optimal speaker angles, precise sound reflections, immersive sound experiences, realistic sound propagation.