<prompt> Translate the following text to SwahiliDue to a massive earthquake that obliterated much of the ancient city, most of the architecture that remains is from the 18th century.  <response>: Kutokana na tetemeko kubwa la ardhi ambalo liliharibu sehemu kubwa ya mji wa kale, sehemu kubwa ya usanifu ambao umebaki ni kutoka karne ya 18. 