An urban train rides inside of a waterway on a fantasy city, hyperrealistic mixed media, stunning 3d render inspired art by P. Craig Russell and Barry Windsor-Smith + perfect facial symmetry + dim volumetric lighting, 8k octane beautifully detailed render, post-processing, extremely hyperdetailed, intricate futuristic mechanic parts, epic composition, grim yet sparkling atmosphere, cinematic lighting + masterpiece, trending on artstation