Resolution: 1/2 - Click the region of interest for enlargement.
Image rights
Fern Canyon in Redwood National Park, California with tree upside down. Author's username Th.held. Uploaded 22 May 2005. Accessed through WikiCommons. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License. This file is licensed under the Creative Commons Attribution ShareAlike 3.0 License.