<prompt> Translate the following text to SwahiliIt is hard to believe that Las Vegas a city of mythic proportion started out as little more than a dusty railroad stop in the middle of a barren and unforgiving desert valley.  <response>: Ni vigumu kuamini kwamba Las Vegas, mji wa kiasi cha hadithi, ilianza kama kidogo zaidi ya kuacha reli ya vumbi katikati ya bonde la jangwa lisilo na rutuba. 