Solfatara Vulcano

The Solfatara, the mythical entrance to the Ancient Romans' Hell, is an inactive volcano, part of the volcanic region known as Phlegrean Fields. It is famous for its steaming jets of sulphurous vapour at temperatures of 160°C, the emission of carbonic anidride and small volcanoes of boiling mud. Sulphur was extracted here in the past, and until 1800 it was a spa renowned for its mineral waters, natural saunas and mud. The Solfatara is the epicentre of the cyclic phenomenon of the rising and lowering of ground level in the Phlegrean Fields known as bradisism.
The Solfatara, the mythical entrance to the Ancient Romans' Hell, is an inactive volcano, part of the volcanic region known as Phlegrean Fields. It is famous for its steaming jets of sulphurous vapour at temperatures of 160°C, the emission of carbonic anidride and small volcanoes of boiling mud. Sulphur was extracted here in the past, and until 1800 it was a spa renowned for its mineral waters, natural saunas and mud. The Solfatara is the epicentre of the cyclic phenomenon of the rising and lowering of ground level in the Phlegrean Fields known as bradisism.
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http://www.youtube.com/watch?v=_8YiELrMQ6w