<prompt> Translate the following text to EnglishJengo hilo lilijengwa katika karne ya 16 na lilikuwa likiilinda Ghuba dhidi ya meli za maharamia, na bado unaweza kuona makombora ya kale yakipenya kupitia kuta zake zenye kuta.  <response>: Erected in the 16th century, it guarded the bay against pirate ships you can still see the ancient cannons poking through the crenellated walls. 