kesselfall - natural rock arch steintor frames a picturesque forest scene in kesselfall klamm gorge, sembriach, styria

natural arch rock formation forest trees green sunlight shadow nature outdoor landscape scenery beautiful stunning geology erosion weathering atmosphere mood feeling mysterious klamm canyon steiermark styria sembriach graz schoeckl stream wooden ladders cliff rocks greenery scenic vacation hiking austria europe central alps mountains wilderness tranquility solitude rural scene plant moss freshness woodland kesselfall