Elegant gymnasium interior, neoclassical architecture, polished marble flooring, intricate mosaic patterns, ornate bronze fixtures, wooden accents, athletic equipment, basketball hoops, sports mats, grand chandeliers, tall ceilings, arched windows, natural light, warm beige tones, classic columns, ornamental moldings, subtle texture variations, shallow depth of field, 1/1 composition, realistic reflections, ambient occlusion.