cathedral saint-nazaire-a river runs through a town with a castle in the background

river architecture city landmark landscape historical castle travel europe cathedral old tourism religion building church tower medieval france ancient unesco town bridge heritage history stone languedoc view destination spain spanish catholic cityscape famous water summer reflection vacation castile fortified blue panorama europa scenic european beautiful sightseeing culture traditional sky fortification saint-nazaire-a runs background saint-nazaire- background calm clear reflecting surrounding buildings concept tranquility peacefulness