Although much of Carcassonne is authentic, the famous 19th-century architect who masterminded the restoration work took some liberties when he lacked the original plans.
The original plans of Carcassonne were available to restorers.
mnli hypothesis: The original plans of Carcassonne were available to restorers. premise: Although much of Carcassonne is authentic, the famous 19th-century architect who masterminded the restoration work took some liberties when he lacked the original plans.