champagne pool

active area attraction boiling brimstone caldera centre champagne colorful colors colourful colours crater crust edge famous geology geophysics geothermal geothermic heat hot island lake landscape mineral natural nature new north okataina orange panorama pool red reporoa rotorua scenery scenic seismic sight smoke special spectacular spring steam steaming sulfur taupo thermal tourism tourist travel volcanic volcano volcanology waiotapu water zealand