sentences:  They lead a primitive tribal existence on various moons and asteroids.Their space is bordered by gigantic stone warning beacons that resemble skulls many miles across carved out of asteroids, seen in the series VI episode "" (1993).In the episode, second technician Arnold Rimmer (Chris Barrie) recalls from old space legends that unfortunate humans that unwittingly wandered into Kinitawowi space were often skinned alive to make beanbags.