8th Annual Smithsonian Magazine Photo Contest Natural World
The source of the Rio Celeste ("Light Blue River"), where sulphur from Tenorio Volcano mixes with naturally occuring calcium carbonate to create the dramatic blue color from which the river draws its

The source of the Rio Celeste ("Light Blue River"), where sulphur from Tenorio Volcano mixes with naturally occuring calcium carbonate to create the dramatic blue color from which the river draws its name.

Photo Detail
Date Taken: 04.2009
Date Uploaded: 09.2010
Photo Location: Costa Rica
Camera: NIKON D90
Copyright: © Sunder Jambunathan