Ключевые слова: amphitheater, canyon, cirque, cliff, creux, creuxduvan, dangerous, du, erosion, forest, formation, green, hiking, jura, landmark, landscape, majestic, mountain, mountaineering, natural, nature, neuchatel, panorama, panoramic, rock, rocky, scenery, scenic, semicircle, sunrise, swiss, switzerland, travel, valley, van, vertical, view, vista, wall,