Overlooking the Tiber in Rome is the Castel Sant' Angelo. The structure is connected to St. Peters Basillica through a 2,600 foot covered passage which has been used by several popes over the centuries as an emergency escape route. #roma #rome #tbthursday #travelthursday #travelthrowback #italia #traveltheworld #europeancity #capitalcities #instatravel #europetravel #wanderlust #passportready #travelgram #travelfact #tourist #touristing #rome #romanholiday #italy #vacanzeromane