Edited by Tristan Hayes, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Jenn Megyesi, some rights reserved (CC BY-NC), uploaded by Jenn Megyesi
- 2. (c) Chris Cameron, some rights reserved (CC BY-NC), uploaded by Chris Cameron
- 3. (c) Andrew Dreelin, some rights reserved (CC BY-NC), uploaded by Andrew Dreelin
- 4. (c) Steven Severinghaus, some rights reserved (CC BY-NC-SA)
- 5. (c) reddad, some rights reserved (CC BY-NC), uploaded by reddad
- 6. (c) Eli Sagor, some rights reserved (CC BY-NC)
- 7. (c) Kari Pihlaviita, some rights reserved (CC BY-NC), uploaded by Kari Pihlaviita
- 8. (c) Shuk Han (Nancy) Mak, some rights reserved (CC BY-NC), uploaded by Shuk Han (Nancy) Mak
- 9. (c) daniel_benoit, some rights reserved (CC BY-NC)
- 10. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 11. (c) libby_orcutt, some rights reserved (CC BY-NC), uploaded by libby_orcutt
- 12. (c) Zeynel Cebeci, some rights reserved (CC BY-SA)
- 13. (c) timmenzies on Flickr, some rights reserved (CC BY-SA)
- 14. (c) jlmason, some rights reserved (CC BY-NC), uploaded by jlmason
- 15. (c) Keweenaw Mountain Lodge, some rights reserved (CC BY-NC), uploaded by Keweenaw Mountain Lodge
- 16. (c) mustafa gökmen, all rights reserved, uploaded by mustafa gökmen
- 17. (c) belvedere04, some rights reserved (CC BY), uploaded by belvedere04
- 18. (c) 5u5, some rights reserved (CC BY-NC)
- 19. (c) Jonathan Tyler, some rights reserved (CC BY-NC-SA)
- 20. (c) pinemartyn, some rights reserved (CC BY-NC), uploaded by pinemartyn
- 21. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 22. (c) Ian Manning, some rights reserved (CC BY), uploaded by Ian Manning
- 23. (c) Andrew Bazdyrev, some rights reserved (CC BY), uploaded by Andrew Bazdyrev
- 24. (c) Annette Le Faive, some rights reserved (CC BY-NC), uploaded by Annette Le Faive
- 25. (c) Svetlana Nesterova, some rights reserved (CC BY-NC), uploaded by Svetlana Nesterova
- 26. (c) Superior National Forest, some rights reserved (CC BY)