Arctic Ice Wedge (IMAGE) University of Alaska Fairbanks Caption Vladimir Romanovsky in front of huge ice wedges in permafrost on an Arctic riverbank. Credit Photo by Sergey Davydov Usage Restrictions University of Alaska Fairbanks Marketing and Communications makes high-resolution photographs available to the news media for non-commercial uses only. All uses are for one-time, non-exclusive use in one publication or production only. Credit will be given to the photographer or organization whose name is provided. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.