24 Ice and Snow Formations: From Frozen Bubbles to Lake Michigan Lighthouses
A bubble, a curled sheet and a spiral roll can all look like little winter sculptures. Their shapes are inviting, but they should not be gi...
snow rollers
Snow Rollers: Natural Cylinders Shaped by Movement
A hollow snow cylinder can look as if someone rolled it up by hand. Snow rollers form naturally when a suitable surface layer gathers as it...