spectacular cityscape ufo hovering over nighttime metropolis with stunning fireworks display showcasing futuristic urban landscape

aliens marvel futuristic party fireworks spaceship event aerial landmark city nightscape glow sky urban skyline cosmos celebration vibrant bridge scene night time scenery holiday viewing cosmic entertainment steel flyover metropolis downtown flying evening sparklers mysterious fantasy pyrotechnics spacecraft festive firework atmosphere earth ufo extraterrestrial galactic spectacular lights streetlights saucer