Ключевые слова: altitude, boulder, cascade, cliff, cloudy, countryside, daylight, daytime, environment, erosion, explore, fail, flow, formation, fresh, geology, height, highland, hill, hillside, landscape, milk, motion, mountain, natural, nature, outdoors, outside, peaceful, picturesque, range, ridge, rock, rocky, rough, scenery, season, serene, slope, splash, steep, stone, stream, surface, terrain, toilet, uneven, untouched, waterfall, wild,