ɪn ɐdˈɪʃən, ðə pˈɪlɚz ɑːɹ kənˈɛktᵻd tə ðə nˈɔːɹðɚn ænd sˈʌðɚn wˈɔːlz baɪ hˈɛlmʃˈeɪpt ˈɑːɹtʃᵻz pɹˈɑːbəbli sˈɪkstiːnθ sˈɛntʃɚɹi.
In addition, the pillars are connected to the northern and southern walls by helm-shaped arches (probably 16th century).