13th Annual Smithsonian Magazine Photo Contest Natural World
Earth's Hidden Secret
A view of the rim on the sink hole that is the entrance to Bluespring Caverns.
Photo Detail
| Date Taken: | 05.2015 |
| Date Uploaded: | 11.2015 |
| Photo Location: | Bedford, Indiana, United States of America |
| Camera: | NIKON D3200 |
| Copyright: | © Jeff Brentlinger |