Ключевые слова: adventure, background, cliff, cloud, desert, dirt, ecoregion, extreme, fell, geology, gravel, ground, high, highland, hike, hill, hillside, land, landscape, mountain, mountain range, mountainous landforms, national park, nature, no person, outdoor, outdoors, peak, plateau, ridge, rock, rocky, scenery, sheep, side, sky, slope, snow, standing, summer, terrain, travel, tundra, valley, water, wilderness,