Edited by Gwen Landis, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) J Brew, some rights reserved (CC BY-NC-SA), uploaded by J Brew
- 2. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
- 3. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 4. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 5. (c) Jack Wolf, some rights reserved (CC BY-ND)
- 6. (c) Tom Hilton, some rights reserved (CC BY)
- 7. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 8. (c) c michael hogan, some rights reserved (CC BY-NC), uploaded by c michael hogan
- 9. (c) Joshua, some rights reserved (CC BY-NC-SA)
- 10. (c) docentjoyce, some rights reserved (CC BY)
- 11. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
- 12. (c) Kristian Peters, some rights reserved (CC BY-NC-SA)
- 13. no rights reserved
- 14. (c) Carina, some rights reserved (CC BY-SA)
- 15. (c) FarOutFlora, some rights reserved (CC BY-NC-ND)
- 16. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 17. (c) Steve Lew, some rights reserved (CC BY-NC-SA)
- 18. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 19. (c) Franco Folini, some rights reserved (CC BY)
- 20. (c) mary, some rights reserved (CC BY-NC-ND)
- 21. (c) 2009 Jorg Fleige, some rights reserved (CC BY-NC)
- 22. (c) Franz Xaver, some rights reserved (CC BY-SA)
- 23. (c) kqedquest, some rights reserved (CC BY-NC)
- 24. (c) Claire Woods, some rights reserved (CC BY-NC-ND)