<prompt> Translate the following text to SwahiliOver 20,000 additional hotel rooms have been added in a few short years, including resorts in Summerlin and Lake Las Vegas.  <response>: Zaidi ya vyumba vya hoteli 20,000 vimeongezwa katika miaka michache tu, ikiwa ni pamoja na mapumziko katika Summerlin na Ziwa Las Vegas. 