The Blood Falls seeps from the end of the Taylor Glacier into Lake Bonney. The tent at left provides a sense of scale for just how big the phenomenon is. Scientists believe a buried saltwater reservoir is partly responsible for the discoloration, which is a form of reduced iron. Photo by National Science Foundation/Peter Rejcek.
To view or save this photo in High resolution, just click the picture. All free photos on this site are public domain. Please consider giving a credit hyperlink to https://www.goodfreephotos.com if you use the photos on this site using the attribution code in the below box. It is not required but it'd be much appreciated.