Ключевые слова: acores, azores, boiling, caldeira, caldeira asmodeu, caldeira do asmodeu, caldeira grande, caldera, ecological park, environment, europe, fumarolas, fumarole, fumaroles, furnaces, furnas, furnas hotsprings, geology, geothermal, geyser, heat, hot, hot spring, hot springs, hotspring, lagoa, lagoa das furnas, lake furnas, landmark, landscape, natural phenomen, park, ponta delgada, portugal, portuguese, sao miguel, scenic, smoke, soil, steam, sulfur, thermal, thermal spring, vapor, volcanic, volcanic furnaces, volcano,