Ключевые слова: aqua, background, basic elements, basic needs, blue, brine, calming, cleansing, clear, climate, contemplative, drinking water, ecosystem, element, elemental, elements, environment, essential, freshwater, gentle, glint, glitter, h2o, hydrogeology, hydrological cycle, hydrology, lakes, light, moved, natural, nature, ocean, primordial element, resources, rippled, river, rivers, saltwater, sea, soothing, sparkle, sustainability, twinkle, water, water circulation, water commission, water management, water protection, water resources, water sector, water supply, water surface, waters, waterways, waterways and shipping office,