Stock photography, photos: Dubrovnik's old city walls Stock photos of Dubrovnik's old city walls Photograph: © Maria Grazia Casella Click for a larger image and more information Keywords associated with this stock photo: Dubrovnik, old, city, walls, europe, european, europa, croatia, dalmatia, town, harbour, harbor, fortress, fortified, castle, tourist, attraction, calendar, tourism, travel, water, mediterranean, sea, yugoslavia, destination, croatian, holiday, vacation, croatian, city, historic, world, heritage, history, historic, culture, cultural