Edited by Todd Plummer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Rudo JureÄek, some rights reserved (CC BY-NC-SA)
- 2. (c) Doug Greenberg, some rights reserved (CC BY-NC-ND)
- 3. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 4. (c) ian wetton, some rights reserved (CC BY-NC-ND)
- 5. (c) Mike Baird, some rights reserved (CC BY)
- 6. (c) sarbhloh, some rights reserved (CC BY-NC-ND)
- 7. (c) Bob, some rights reserved (CC BY-NC-ND)
- 8. (c) Eric Isley, some rights reserved (CC BY-NC), uploaded by Eric Isley
- 9. (c) Shanthanu Bhardwaj, some rights reserved (CC BY-SA)
- 10. (c) Rick Leche, some rights reserved (CC BY-NC-ND)
- 11. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 12. (c) dloarie, some rights reserved (CC BY), uploaded by dloarie
- 13. (c) Maggie.Smith, some rights reserved (CC BY-NC)
- 14. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
- 15. (c) Eric Heupel, some rights reserved (CC BY-NC)
- 16. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 17. (c) Alejandro Bayer Tamayo, some rights reserved (CC BY-SA)
- 18. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 19. (c) Laura Gooch, some rights reserved (CC BY-NC-SA)
- 20. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 21. (c) Robin Horn, some rights reserved (CC BY-NC-ND)
- 22. (c) Lucina M, some rights reserved (CC BY-NC)
- 23. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 24. (c) Rick Leche - Photography, some rights reserved (CC BY-NC-ND)
- 25. (c) Henry T. McLin, some rights reserved (CC BY-NC-ND)
- 26. (c) Robert, some rights reserved (CC BY-NC)
- 27. (c) Jerry Downs, some rights reserved (CC BY-ND)
- 28. (c) Anita Gould, some rights reserved (CC BY-NC)
- 29. (c) Becky Gregory, some rights reserved (CC BY-ND)
- 30. (c) Glen Peterson, some rights reserved (CC BY-NC-SA)
- 31. (c) Kakalotli, some rights reserved (CC BY-NC), uploaded by Kakalotli
- 32. (c) Jean-Guy Dallaire, some rights reserved (CC BY-NC-ND)
- 33. (c) Flickr, some rights reserved (CC BY)