Intricate Art Nouveau exhibition center, flowing curves, ornate details, sinuous lines, organic forms, vibrant colorful mosaics, stained glass windows, grand entrance, sweeping staircases, luxurious chandeliers, rich wooden paneling, velvety soft carpets, elegant furnishings, exotic plant species, natural stone walls, ornamental metalwork, intricate ceramic tiles, ambient warm lighting, shallow depth of field, 1/2 composition, symmetrical framing, realistic textures, subtle reflections.