<prompt> Translate the following text to EnglishJengo hilo lilitangazwa kuwa mnara wa ukumbusho wa kitaifa na linavutia sana nje na ndani, hasa dari lenye umbo la mviringo kwenye orofa ya juu.  <response>: It was declared a national monument and is interesting both outside and in, especially the vaulted ceiling on the upper floor. 