Read it through once

Some of them might have inhabited that very cell--sat upon that very spot. It was very dark; why didn’t they bring a light? The cell had been built for many years. Scores of men must have passed their last hours there. It was like sitting in a vault strewn with dead bodies--the cap, the noose, the pinioned arms, the faces that he knew, even beneath that hideous veil.--Light, light!