Stones from the demolished Bastille prison were used for its support structure ' galling for Royalists, since it had originally been named Pont Louis XVI.
The prison is entirely made out of wood, using no stone like you expect with most prisons.
mnli hypothesis: The prison is entirely made out of wood, using no stone like you expect with most prisons. premise: Stones from the demolished Bastille prison were used for its support structure ' galling for Royalists, since it had originally been named Pont Louis XVI.