Grandiose art nouveau amphitheater, intricately ornate facades, flowing organic lines, sinuous metalwork, stained glass ceiling, vibrant colored tiles, grand staircases, sweeping arches, luxurious velvet curtains, gilded accents, ornate plaster moldings, carved wooden benches, lush greenery, natural stone walls, soft warm lighting, shallow depth of field, 3/4 composition, panoramic view, realistic textures, ambient occlusion.