Majestic Atlantis, underwater city, grandiose royal palace, ornate columns, intricate stone carvings, majestic staircases, crystal chandeliers, lavish furnishings, regal thrones, mermaid sculptures, oceanic motifs, shimmering aquamarine walls, iridescent mother of pearl floors, golden accents, soft blue ambient lighting, warm glow, majestic archways, ornate fountains, seaweed-adorned pillars, schools of fish swimming by, coral reefs, seashells, ocean breeze.