Futuristic, sleek and metallic UFO, hovering in mid-air, emitting a soft blue glow, against a starry night sky, in a bustling cityscape, with futuristic skyscrapers and flying cars, rendered in a high-tech, sci-fi style, with vibrant neon colors, lens flare effects, and holographic projections, captured with a wide-angle lens, from a low angle, showcasing the UFO's impressive size and presence, rendered in high definition 4K resolution using cutting-edge CGI software, perfect for a sci-fi movie poster or a futuristic concept art piece.