Ключевые слова: champagne pool, crater, crater lake, deposits, egg, eggy, float, floating, gas, gases, geothermal, geothermal activity, heat, hell, hellish, hot, layer, layered, mineral, minerals, mist, new zealand, orange, phosphate, rotorua, smell, smelly, steam, steaming, stink, strange unworldly, sulphur, thermal, thermal activity, unpleasant, vapour, volcanic, volcanic activity,