“It folded back on itself like something that M. C. Escher, had he been given to hard nights on the town, which it is no part of this narrative’s purpose to suggest was the case, though it is sometimes hard, looking at his pictures, particularly the one with all the awkward steps, not to wonder, might have dreamed up after having been on one, for the little chandeliers which should have been hanging inside were on the outside pointing up.”