An antique steam locomotive traverses an underwater metropolis, its steam trail contrasting the city's luminescent orbs beneath the ocean depths.
The image showcases a surreal scene where a steam locomotive is traveling on a bridge above a vast underwater city. The city is illuminated by numerous glowing orbs, giving it a mystical ambiance. The water is deep blue, and the locomotive is releasing a thick plume of steam that rises above the water's surface. The entire scene is enveloped in a dreamlike atmosphere, with the juxtaposition of the old-fashioned train against the modern, magical city below creating a sense of wonder.