Luxurious museum interior, ornate Art Nouveau details, flowing organic lines, sinuous curves, intricate metalwork, stained glass windows, grand staircases, opulent chandeliers, rich wood paneling, velvety soft carpeting, subtle ambient lighting, warm beige walls, majestic high ceilings, elegant archways, sophisticated wall treatments, textured wallpaper, metallic leaf patterns, iridescent sheen, ornate gilded frames, lavish velvet drapes, dramatic spotlights, 1/2 composition, atmospheric rendering, detailed textures.