pozzuoli, the super active volcano of the campi flegrei. the solfatara is the only visible mouth with its fumaroles

sand soil wall sea geology rock wood shore beach coast mudflat terrain asphalt ruins wadi temple wave fumarole sulfuric mineral vapor hot bradyism active mystery heat clouds mountains crater fog hydrothermal solfatara pozzuoli thermal volcanic phenomena fumaroles solfatara super volcano valley eruption campi flegrei rock ecosystem caldera national park wildlife nature volcanic geyser hiking steam geothermal mountain tourism outdoor water sky italy naples sulfur beautiful bison orange barren palpitation