Ключевые слова: alps, arches, austria, austrian, autumn, beautiful, cliff, crags, europe, european, face, fall, famous, forest, green, hiking, historic, historical, landmark, landscape, lower, lower austria, mountain, mountains, nature, niederosterreich, old, outdoor, outdoors, pass, railway, red, rocky, scenery, scenic, semmering, semmeringbahn, sky, tourism, train, travel, tree, trees, valley, viaduct, view, yellow,