... began hopping forward, and the light threw huge, grotesque, strangely moving shadows on the wall ahead of them. Dick ran after him, crowding on his heels and shouting meaningless hopes. Abruptly they came to a right-angle drift, and then, but a few yards down it, they discovered an upraise, crude and uncared-for, but climbing into the higher darkness, and down ... — The Plunderer • Roy Norton