ancient green railway bridge over wild river enns in rainy weather in gesause national park near town of admont in centre austria

adventure alpine ancient aqueduct architecture attraction austria beauty bridge connection construction constructive dolomite engineering environment europe forest fortress framework freedom gesacurren gesause gsengscharte hiking metallic modular monument national natural nature outdoor outdoors park railroad railway relax scenery steam summer technology temple tourism tourist train transmission transport transportation travel trekking use viaduct wilderness