Sapphire Cube over the City

A captivating urban landscape where a gigantic, glowing, sapphire-blue cube floats above a city skyline at dusk. The city is alive with lights, skyscrapers casting long shadows. The cube's luminescence bathes the buildings in a blue hue, creating a futuristic ambiance. In the foreground, a busy street with blurred motion of cars and people adds dynamism. The scene combines realistic urban elements with a surreal twist, highlighted by the cube's vibrant glow.