The austerely sculpted porches flanking the main entrance are from the early period, and the more ornamental elongated central porch and the gabled upper windows were added in the 15th and 16th centuries.
All of the porches were created in the same period.
mnli hypothesis: All of the porches were created in the same period. premise: The austerely sculpted porches flanking the main entrance are from the early period, and the more ornamental elongated central porch and the gabled upper windows were added in the 15th and 16th centuries.