semmering railway with surrounding mountain scenery, krauselklause viaduct in front of polleroswand. in the background

alpine alps austria blue cliff cloudy destination europe famous forest green heritage hill krauselklause landmark landscape leisure limestone lower mountain nature outdoors peak polleroswand railway rax rock rural scenery semmering snow snowcapped summer summit travel tree tunnel unesco viaduct view white world village semmeringbahn train coach vagon railroad machine site