A beautiful highly detailed retrofuturistic (photorealistic 3d render of a green alien city, background of a high hill with a palace, photorealism, extreme detail:1.3) by thomas kinkade and Greg Rutkowski, science fiction, dystopian, hard light, (centered composition:1.2), sci-fi, featured on artstation, artstationhq, 70mm photo, 4k, 8k, octane render, aesthetic, exciting, cinematic, moody | Sci-fi