Edited by Todd Plummer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) 2008 Keir Morse, some rights reserved (CC BY-NC-SA)
- 2. (c) Andreas Rockstein, some rights reserved (CC BY-NC), uploaded by Andreas Rockstein
- 3. (c) Alexis López Hernández, some rights reserved (CC BY), uploaded by Alexis López Hernández
- 4. (c) Claire Woods, some rights reserved (CC BY-NC-ND)
- 5. (c) catchang, some rights reserved (CC BY-NC), uploaded by catchang
- 6. (c) Don Loarie, some rights reserved (CC BY)
- 7. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 8. (c) Christopher Porter, some rights reserved (CC BY-NC-SA)
- 9. (c) 2006 Steven Thorsted, some rights reserved (CC BY-NC)
- 10. (c) stonebird, some rights reserved (CC BY-NC-SA)
- 11. (c) David Greenberger, some rights reserved (CC BY-NC-ND), uploaded by David Greenberger
- 12. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 13. (c) J. Maughn, some rights reserved (CC BY-NC)
- 14. (c) Benjamin J. Dion, some rights reserved (CC BY-NC-SA), uploaded by Benjamin J. Dion
- 15. (c) Michael Chassé, some rights reserved (CC BY-NC-ND), uploaded by Michael Chassé
- 16. (c) kevinhintsa, some rights reserved (CC BY-NC), uploaded by kevinhintsa
- 17. (c) Todd Plummer, some rights reserved (CC BY-NC-SA), uploaded by Todd Plummer
- 18. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 19. (c) Dietmut Teijgeman-Hansen, some rights reserved (CC BY-NC-ND)
- 20. (c) Tom Hilton, some rights reserved (CC BY)
- 21. (c) SuzanneBlack, some rights reserved (CC BY-NC-ND)
- 22. (c) Jörg Hempel, some rights reserved (CC BY-SA)