granite roman milestones in via xviii, roman road between braga and astorga. baixa limia-serra do xures natural park, ourense.

road hiking marker trail forest galicia historical scenic roman scenery empire memorial stone europa post ancient milestone iberian path nature route numeral landmark granite distance civilisation spain travel history passage architecture religion archaeology grass column landscape green tree ourense xures baixa limia natural park archeology orense xviii tourism miliario milestones braga astorga limia-serra ourense