sixpenceee:Snow Chimney, Arctic Areas Fumaroles are vents that allow steam from volcanoes to escap
sixpenceee: Snow Chimney, Arctic Areas Fumaroles are vents that allow steam from volcanoes to escape into the open. In arctic areas, as soon as steam leaves one of these vents, it freezes, and eventually, massive snow chimneys are formed around the volcanic vent. -- source link