futuristic cityscape with massive glowing portal and spaceships

futuristic city scifi metropolis glowing portal cyberpunk skyline hightech architecture dystopian cityscape space travel hovering spacecraft neon lights technology dark advanced civilization otherworldly science fiction environment aigenerated exploration spaceship landing structures cybernetic future digital fantasy art artwork intergalactic massive urban landscape alien outer gateway transportation energy field cinematic scene highrise buildings spacefaring society neonlit design concept storytelling world technoir ai painting generated