Last day on Earth, apocalyptic atmosphere, destroyed cityscape, ruins of skyscrapers, abandoned cars, broken streetlights, dark clouds, heavy rain, strong winds, lone AI robot, metallic body, glowing blue eyes, standing amidst the wreckage, looking up at the stormy sky, last goodbye to humanity, desolate landscape, eerie silence, dramatic lighting, cinematic composition, depth of field, 3/4 view, high contrast, moody colors.