<prompt> Translate the following text to SwahiliThe system stretches up to 16 km 10 miles inland and includes Green Grotto, a vast cavern with an underground lake where stalactites are clearly reflected in the glassy water.  <response>: Mzunguko huo unaenea hadi kilomita 16 ndani ya nchi na unajumuisha Green Grotto, pango kubwa lenye ziwa la chini ya ardhi ambapo stalactites zinaonekana wazi katika maji ya kioo. 