Edited by Kelly Krechmer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Richard Droker, some rights reserved (CC BY-NC-ND)
- 2. (c) David A. Hofmann, some rights reserved (CC BY-NC-ND)
- 3. (c) Sean McCann, some rights reserved (CC BY-NC-SA)
- 4. no rights reserved, uploaded by Anna N Chapman
- 5. (c) Anne Toal, some rights reserved (CC BY)
- 6. (c) gciracalnat, some rights reserved (CC BY-NC), uploaded by gciracalnat
- 7. (c) Stuart Tingley, some rights reserved (CC BY-NC), uploaded by Stuart Tingley
- 8. (c) Judy Gallagher, some rights reserved (CC BY)
- 9. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 10. (c) Gordon Karre, some rights reserved (CC BY-NC), uploaded by Gordon Karre
- 11. no rights reserved
- 12. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 13. (c) Katja Schulz, some rights reserved (CC BY)
- 14. (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block
- 15. (c) Eric Simons, some rights reserved (CC BY-NC), uploaded by Eric Simons
- 16. (c) Paul G. Johnson, some rights reserved (CC BY-NC-SA), uploaded by Paul G. Johnson
- 17. (c) guyincognito, some rights reserved (CC BY-NC), uploaded by guyincognito
- 18. (c) Eran Finkle, some rights reserved (CC BY)
- 19. (c) Ian Boyd, some rights reserved (CC BY-NC)
- 20. (c) Jim Johnson, some rights reserved (CC BY-NC-ND), uploaded by Jim Johnson
- 21. (c) Marcello Consolo, some rights reserved (CC BY-NC-SA)
- 22. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 23. (c) Brad Smith, some rights reserved (CC BY-NC)
- 24. (c) Aleta Rodriguez, some rights reserved (CC BY-NC-ND)
- 25. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott