Aerial view of Venetian Fortezza Castle, Rethymno, Crete, Greek Islands, Greece, Europe

aerial view venetian fortezza castle rethymno crete greek islands greece europe koules fortress heraklion crete greece aerial view fortress stone wall building hill city coast coastline sea ocean water sky sun sunny day clear sky historical site landmark tourism travel vacation architecture history culture heritage europe greek greek island mediterranean ancient ruins military defense fort castle panorama view