Ключевые слова: activity, adventure, alps, beautiful geology, beauty in nature, cave, copy space, dark, discovery, exploration, explorer, exploring, footpath, full length, hiker, hiking, indoors, inside, inspiration, leaving, leisure activity, lifestyle, light, light at the end of the tunnel, man, mount pilatus, mountain, mystery, narrow, nature, on the move, one person, people, real people, rear view, rock, rock formation, stone wall, switzerland, the way forward, tourism, travel, travel destinations, tunnel, underground, walking, young adult,