12th Annual Smithsonian Magazine Photo Contest Travel
The Riemannian circle at work

The Riemannian circle is a great circle equipped with its great-circle distance at work, dividing the Earth into Northern and Southern Hemispheres.

Photo Detail
Date Taken: 08.2012
Date Uploaded: 11.2014
Photo Location: Quito, Ecuador
Camera: NIKON D300
Copyright: © Marina Krasnovid