Edited by Martine Lapointe, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) eugenezakharov, some rights reserved (CC BY-NC), uploaded by eugenezakharov
- 2. (c) pverdonk, some rights reserved (CC BY-NC)
- 3. (c) Don Loarie, some rights reserved (CC BY)
- 4. (c) Kerry Woods, some rights reserved (CC BY-NC-ND)
- 5. (c) Bastiaan, some rights reserved (CC BY-NC-ND)
- 6. (c) Tony Atkin, some rights reserved (CC BY-SA)
- 7. (c) Douglas Goldman, some rights reserved (CC BY-NC), uploaded by Douglas Goldman
- 8. (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar
- 9. (c) Tero Laakso, some rights reserved (CC BY-SA)
- 10. (c) Andrey Zharkikh, some rights reserved (CC BY)
- 11. (c) Bob Peterson, some rights reserved (CC BY-SA)
- 12. (c) Superior National Forest, some rights reserved (CC BY)
- 13. (c) C. R., some rights reserved (CC BY-NC-ND)
- 14. (c) Cody Hough, some rights reserved (CC BY-NC-SA)
- 15. (c) Reiner Richter, some rights reserved (CC BY-NC-SA), uploaded by Reiner Richter
- 16. (c) Tom Norton, some rights reserved (CC BY-NC), uploaded by Tom Norton
- 17. (c) lynnzb, some rights reserved (CC BY-NC), uploaded by lynnzb
- 18. (c) wyldewastelander, some rights reserved (CC BY-NC), uploaded by wyldewastelander
- 19. (c) rachelmailhot, some rights reserved (CC BY-NC), uploaded by rachelmailhot
- 20. (c) autan, some rights reserved (CC BY-NC-ND)
- 21. (c) Clayton D'Orsay, some rights reserved (CC BY-NC), uploaded by Clayton D'Orsay
- 22. (c) davecz2, some rights reserved (CC BY-SA), uploaded by davecz2
- 23. (c) Andy Fyon, some rights reserved (CC BY-NC), uploaded by Andy Fyon
- 24. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 25. (c) Mathew Zappa, some rights reserved (CC BY), uploaded by Mathew Zappa
- 26. (c) Erika Mitchell, some rights reserved (CC BY-NC), uploaded by Erika Mitchell
- 27. (c) Brad Walker, some rights reserved (CC BY-NC), uploaded by Brad Walker
- 28. (c) Joseph D Kurtz, some rights reserved (CC BY-NC), uploaded by Joseph D Kurtz
- 29. (c) Don Sutherland, some rights reserved (CC BY-NC), uploaded by Don Sutherland
- 30. (c) Derek Anderson, some rights reserved (CC BY-NC), uploaded by Derek Anderson
- 31. (c) Will Van Hemessen, some rights reserved (CC BY-NC), uploaded by Will Van Hemessen
- 32. (c) Serguei Ponomarenko, some rights reserved (CC BY-NC), uploaded by Serguei Ponomarenko
- 33. (c) Bill Bouton, some rights reserved (CC BY-SA)
- 34. (c) bendingtree, some rights reserved (CC BY-NC), uploaded by bendingtree
- 35. (c) Paul Reeves, some rights reserved (CC BY-NC-SA), uploaded by Paul Reeves
- 36. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 37. (c) Wayne Fidler, some rights reserved (CC BY-NC), uploaded by Wayne Fidler
- 38. (c) Jason Hollinger, some rights reserved (CC BY)
- 39. (c) Bill Keim, some rights reserved (CC BY)
- 40. (c) Gaspar Horvath, some rights reserved (CC BY-NC), uploaded by Gaspar Horvath
- 41. (c) Nelson DeBarros, some rights reserved (CC BY-NC), uploaded by Nelson DeBarros
- 42. (c) alderash, some rights reserved (CC BY-NC), uploaded by alderash
- 43. (c) --Tico--, some rights reserved (CC BY-NC-ND)
- 44. (c) José MarÃa Escolano, some rights reserved (CC BY-NC-SA)
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- 46. (c) Nate Martineau, some rights reserved (CC BY-NC), uploaded by Nate Martineau
- 47. (c) Brent Miller, some rights reserved (CC BY-NC-ND)
- 48. (c) Janet Nelson, some rights reserved (CC BY-NC-ND), uploaded by Janet Nelson
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- 50. (c) Alexey P. Seregin, some rights reserved (CC BY-NC), uploaded by Alexey P. Seregin