AI Prompt: Ultra cinematic realistic short film, destroyed futuristic city at sunset, red sky with ash falling, a 12-year-old African boy standing alone on a rooftop holding a broken smartphone. The phone suddenly lights up and shows glowing message: “YOU ARE THE LAST HUMAN SIGNAL.” Slow dramatic zoom into his shocked emotional face, wind blowing hard, cinematic lighting, film grain, realistic physics. A massive silent glowing spaceship appears above the clouds covering the entire sky. Final moment: screen glitch effect, fade to black with text: “Would you survive if you were the last human left?” Style: Hollywood sci-fi, emotional, ultra realistic, cinematic lighting, dramatic atmosphere, depth of field, slow motion, 4K film look.