13th Annual Smithsonian Magazine Photo Contest Natural World

At a specific time of the day when the light is just right the stones turn emerald color and the cave really comes to life. I call this image Aperture because it truly is natures way of limiting the passage of light creating a visually spectacular image.

Photo Detail
Date Taken: 04.2013
Date Uploaded: 05.2015
Photo Location: Santa Cruz, California, United States of America
Camera: Canon EOS 5D Mark III
Copyright: © John Knopf