Bird's eye view pan across Navea Bridge in Ourense Spain with leafless tree

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