Close up shot of geothermal pools with boiling water surrounded by green nature of New Zealand - Waimangu, Volcanic Valley

geothermal rotorua hot spring toxic sulfur steam geyser volcanic valley boil national park volcanic new zealand volcano stream eruption environment lush temperature waimangu fountains foam conservation nature wilderness water visit scenery explore moss pool spray surface scenic danger toxic plants wet poison science wildlife mountain travel power dirt crash closeup light close up sun unhealthy