safebooruhttps://safebooru.org/index.php?page=atom&tags=architecture battleship building castle city cityscape fleet floating castle floating city floating island glowing windows gothic architecture greyscale highres megastructure military vehicle monochrome no humans scenery science fiction ship space space station spacecraft spire star (sky) tower warhammer 40k warship watercraft2024-06-15T07:17:14Zsafebooru