ancient architecture Bonaguil castle defend dordogne flag France french high historical keep old power protection Remains secure security stone strength strong tall tower wall chains compulsory heavy snow iced icy mandatory mountains road roadsign roadsigns safe sign signs snow snow chains snow chains compulsory warning wheel wheels winter archirecture balloch baronial style classic cross detail europe kingdom lake loch medieval medieval castle scotland scottish castle Scottish Culture uk 17th century Argolis battlements defence defense elements fort fortress Greece landmark Morea nafplio Palamidi Peloponnese ramparts stronghold venetian walls arch hill hilltop ruins 12th Century background building christian church dark Hopperstad mediaeval norway norwegian religion religious stave tar tarred texture tiles Vik wooden 5th bird century decorative fifth fish floor galilee Israel loaves mosaic multiplication plant snake stork Tabgha duck windows