Some of the photos on this site are provided under license. This page provides detailed information about them.
Author photo of Kelcey Patrick-Ferree copyright 2011 Steve Ferree.
Photo by Sébastien Bertrand. Used under Creative Commons Attribution 2.0 Generic license; modifications include color, exposure, resizing, and cropping in some places on the site. Original image available by clicking here.
Copyright Mike Seyfang. Used under Creative Commons Attribution 2.0 Generic license. Modifications may include cropping and resizing. Original image available by clicking here.
Used under Creative Commons CC0 1.0 Universal license. No attribution necessary. Original image available by clicking here.
Image from monocycle patent submission from 1893. Public domain. Available by clicking here.
Sponsored Links
