Concept
Version 6
Created by Boundless
Types and Elements of Credibility
Mountain climbing
These mountaineers are scaling a sheer cliff in the Rhone-Alps of France, giving them credibility from experience.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Mountaineers | Flickr - Photo Sharing!."
http://www.flickr.com/photos/eelcoc/829975729/
Flickr
CC BY.