Nature's Bizarre Formations - Ice Circles - MessageToEagle.com

MessageToEagle.com - Nature creates a variety of geometric figures, but this rather rare phenomenon is normally associated with rivers and lakes in Scandinavia and other northern European and American countries.
According to one of many theories, warming of the water surface may be the origin of the circles.
Another popular theory says that ring patterns - sometimes so large that they are clearly visible from space - are created by quick shifts in temperature.

 

Nature's Bizarre Formations - Ice Circles - MessageToEagle.com