ðə kɐθˈiːdɹəlz ɪntˈɪɹiɚ tˈʊk ˌɔn ɐ dˈɪfɹənt lˈʊk bᵻtwˌiːn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti ænd wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti, wˌɛn ðə ɹˈʌʃən ˈɑːɹɾɪst ænd dʒˈɛnɚɹəl nˈaɪæz ɡɹˈɪɡɚɹi ɡˈæɡɚɹˌɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd tˈɛn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd nˈaɪnti θɹˈiː kəmpˈoʊzd ɐn ˈɪntɹɛstɪŋ sˈɪɹiz ʌvðə mjˈʊɹɹəlz, ðˌoʊ ɐ nˈʌmbɚɹ ʌv mˈɛdɪˌiːvəl fɹˈɛskoʊz wɜː lˈɔst ɪnðə pɹˈɑːsɛs.
The cathedral's interior took on a different look between 1850 and 1860, when the Russian artist and general Knyaz Grigory Gagarin (1810–1893) composed an interesting series of the murals, though a number of medieval frescoes were lost in the process.