observation deck on top of san nicolo l'arena church, view of roof and dome with cross, catania, sicily, italy

catania sicily italy san nicolo 039 arena church benedictine monastery dome cross roof observation deck piazza dante alighieri square abbey architecture roman catholic building landmark university medieval facade history monument attraction sightseeing europe cityscape exterior mediterranean sea ionian gulf town travel tourism old city historic outdoor urban landscape destination famous view unesco blue sky cloud top l'arena april 2023: