Ключевые слова: abstract, adventure, background, boulder, camping, clean, cliff, crag, earthy, environment, erosion, exploration, formation, geology, green, hiking, igneous, landform, landscape, material, metamorphic, mineral, minimalist, mountainous, natural, nature, organic, outcrop, panoramic, rock, rough, rugged, scenic, sedimentary, serene, simple, solid, stone, surface, terrain, texture, tranquil, vista, weathering, wilderness,