<prompt> Translate the following text to EnglishSehemu ya kuta za zamani za Etruscan katika Fiesole yenyewe, lakini kuna magofu makubwa ya Kirumi, ikiwa ni pamoja na amphitheater iliyohifadhiwa vizuri inayotokana na 100 BC, bado inatumika kwa sherehe za majira ya joto ambazo zinakaa watazamaji 2,500.  <response>: Only some wall fragments remain of the former Etruscan stronghold in Fiesole itself, but there are extensive Roman ruins, including a well-preserved amphitheater dating to 100 b.c. still in use for summertime festivals which seats 2,500 spectators. 