A beautiful highly detailed retrofuturistic (landscape of a detailed valley with floating island in the sky, with flowers and plants, detailed:1.3) by 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