castel sant`angelo mausoleum - castle of the holy angel and ponte sant`angelo bridge over tiber river in rome in italy

039 aelian aelius ancient angel angelo angels antica antiquity architecture attraction baroque bridge brown castel castle catholic centro christianity cityscape color demons emperor exterior facade fortress hadrian hadrianus historic history holy italia italian italiano italy landmark lazio lazium mausoleum monastery outdoor outside panorama panoramic pons ponte publius renaissance roma roman rome sant shrine storico tiber touristic travel