<prompt> Translate the following text to EnglishLicha ya mashambulizi ya Viking, moto mkubwa mwishoni mwa karne ya 14, na miaka mingi ya kutelekezwa, majengo mengi ya awali bado yana mnara wa mviringo wa karne ya 11 zaidi ya 30 m na 15 m karibu na ba se, kanisa la karne ya tisa la Barrel-vaulted linalojulikana kama St. Peters Basilica.  <response>: Despite Viking raids, a great fire at the end of the 14th century, and long years of neglect, many of the original buildings still the 11th-century round tower more than 30 m100 ft high and 15 m50 ft around the ba se, a ninth-century barrel-vaulted church known as St. 