Ключевые слова: beautiful, brook, clean, close, colorful, drink, drinkable, ecology, ecosystem, environment, fall, flora, flow, flowing, forest, fountain, fresh, freshness, grass, green, groundwater, leaf, moss, mossy, natural, nature, nobody, outdoor, plant, portugal, pour, pure, purity, river, rock, scenic, season, seasonal, source, source water, spring, stone, stream, summer, transparent, water, wet, wild,