Smithsonian magazine's 22nd Annual Photo Contest | Made possible through the support of MPB.com

15th Annual Smithsonian Magazine Photo Contest Mobile
Abandoned swimming pool sand pit. The water levels drop then freeze

Basically a sink hole while the water slowly sinks the ends of the puddle freeze creating concentric rings.

Photo Detail
Date Taken: 11.2016
Date Uploaded: 11.2017
Photo Location: Union, New Jersey, United States of America
Camera: iPhone 5
Copyright: © David Weisbrod