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Based on the beautiful photo by Dennis Jarvis:
https://www.flickr.com/photos/archer10/7614450302
Other contributors:
Moon:
Luis Argerich
http://www.flickr.com/photos/lrargerich/3525930915/
Forest:
Grant Bishop
http://www.flickr.com/photos/64609422@N04/6011638842/
Forest
U.S. Forest Service, Southwestern Region, Kaibab National Forest
http://www.flickr.com/photos/kaibabnationalforest/4459545321/
Thanks for the creative commons licenses!