a fantasy city built on the shell of a gargantuan hermit crab, hermit crab titan, hr giger tokyo at night cityscape, steampunk metropolis, liam wong 3 5 mm, fantasy art by jan urschel and greg rutkowski, epic fantasy art, kodachrome, 4 k uhd image, futuristic sci - fi energy generator machine, by yasunari ikenaga, yamato, macross