Modern gymnasium interior, athletic tracks, sports equipment, vibrant color schemes, dynamic lighting, bold typography, motivational quotes, sturdy metal beams, polished wooden floors, acoustic panels, sound-absorbing materials, ergonomic seating, flexible flooring systems, shock-absorbing surfaces, climbing walls, ropes courses, basketball courts, volleyball nets, fitness machines, exercise mats, mirrored walls, athletic wear displays, energetic atmosphere, high-contrast colors, 2/3 composition, diagonal lines, abstract textures, realistic reflections.