A fantasy world where a thriving green civilization is contained inside a massive transparent dome. Inside the dome/ lush forests/ rivers/ mountains/ skyscrapers/ and small towns flourish/ forming a self-contained paradise. Outside the dome/ an endless/ lifeless desert with towering sand dunes stretches infinitely/ completely barren and devoid of any signs of life. The contrast highlights the isolation of the civilization/ making the dome appear small and fragile against the vast arid wasteland.