mountain cave view with lush greenery and bright blue sky in liechtensteinklamm, austria

liechtensteinklamm liechtenstein gorge austrian alps austria cave mountain cliff nature greenery sky landscape adventure outdoors exploration hiking rocks rustic scenery peaceful calm wilderness natural environment viewpoint forest daytime vacation travel tourism summertime freshness tranquil idyllic majestic serene picturesque wildlife remote geology flora scenic breathtaking inspiring ecology view lush bright blue stunning opening revealing towering cliffs vibrant austria scene ideal enthusiasts