The legend goes that one day, Saturn had enough with the men on earth who were constantly at war with one another. He decided to fling a thunder bolt at them which created a huge crater and a spurt of warm, sulphurous water. Steam enveloped everything and calmed the human souls. The men who were born in that place afterwards were wiser and happier. Still today water gushes from the rock at constant temperature of 37 degrees centigrade.