The steam has been coming out of the ground for as long as anyone has lived in the region. Farmers in central Tuscany noticed it centuries ago — thin plumes of white vapour rising directly from cracks in the earth, hissing quietly, smelling faintly of sulphur. The medieval Italians who named the area picked the [...] The post The Italians named it Devil’s Valley because of the steam pouring straight out of the ground. Turns out the steam was the mild part. A few kilometres below it sits enough m