saimaa lake district

fifteenthcentury pitnastowieczny fortification northernmost redniowieczn dzisiejszych olavinlinna savonlinnie threetower savonlinna reflection trjwieowy finlandii reservoir undefined district medieval fortress survived najdalej zachowaa landmark waterway building finland present wysunit murowan twierdz tourism saimaa castle estate brick zamek czasw water tower river coast ruins lake pnoc ktra tree day sea sky landscape nature autumn flower plant pond park Finland