Moss and vine covered old Roman bridge across Navea river in Ourense Spain

moss vine covered old roman bridge navea river ourense spain san xoan de rio navea bridge mino sil valley middle ages galicia antonino via nova antonine itinerary geira roman road leafless barren scraggly bracara augusta asturica augusta roman mile astorga braga establish overview vespasian titus commercial purpose julius milestones mansio post station lodging route conserve historical brick stone architecture space for text copy space no people nobody