Ключевые слова: adventure, alps, austria, clean, clear, creek, drinking water, drinking water supply, flow, flowing, forest, forests, gravel, healthy, lake, mineral water, mountain, mountain river, mountain stream, mountains, nature, nature reserve, pebbles, pure, rapids, recreation, river, rivers, riverside, rocks, running, shore, source, stone, stones, stream, torrents, tyrol, water, water meadows, water movement, water supply, water surface, water treatment, waters, wilderness,