Ключевые слова: abandoned, altai, big, blue, canyon, cave, clear, cliff, danger, dangerous, deep, dig, digging, dirt, exploration, flooded, forest, geological, geology, grass, green, high, industry, lake, land, landscape, material, metal, mine, mineral, mining, mountain, national, nature, old, outdoors, place, pond, quarry, rock, rural, russia, sand, stone, summer, tourism, travel, trees, water, wood,