Petronius,
in his “Satyricon”, describes it as follows: “There is a place between
Naples and the vast fields of the Dicearchia, at the bottom of a deep quarry,
dampened by the water of the Cocito; where in fact strong vapours emanate all
around in an atmosphere of suffocating heat……”.
Inside the Solfatara - J.Von Sandrart- XV11 century