Generate a futuristic  cityscape image  of a sprawling  metropolis with  towering skyscrap ers, neon -lit streets , and flying  cars zipping  by, set  against a backdrop  of a vibrant , electric blue  sky with wis py clouds,  inspired by the  aesthetic of Blade  Runner and Sy d Mead 's concept art , with a  focus on capturing  the dynamic energy  and bustling activity  of a  22nd-century  urban hub.