Edited by Amber Leung, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Gravitywave, some rights reserved (CC BY-NC-SA)
- 2. (c) CameliaTWU, some rights reserved (CC BY-NC-SA)
- 3. (c) grbfrog, some rights reserved (CC BY-NC), uploaded by grbfrog
- 4. (c) dbarronoss, some rights reserved (CC BY-NC-ND)
- 5. (c) Tom Potterfield, some rights reserved (CC BY-NC-SA)
- 6. (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist
- 7. (c) Frank Mayfield, some rights reserved (CC BY-SA)
- 8. (c) Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker
- 9. (c) Marie Asscherick, some rights reserved (CC BY-NC), uploaded by Marie Asscherick
- 10. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 11. no rights reserved, uploaded by Jesse Rorabaugh
- 12. (c) Kathy Cox, some rights reserved (CC BY-NC-ND), uploaded by Kathy Cox
- 13. (c) Conor McMahon, some rights reserved (CC BY-NC), uploaded by Conor McMahon
- 14. (c) Genevieve G. Mount, some rights reserved (CC BY-NC), uploaded by Genevieve G. Mount
- 15. (c) Mary Keim, some rights reserved (CC BY-NC-SA)
- 16. (c) Mikael Behrens, some rights reserved (CC BY-NC), uploaded by Mikael Behrens
- 17. (c) Suzanne Cadwell, some rights reserved (CC BY-NC)
- 18. (c) Anita363, some rights reserved (CC BY-NC)
- 19. (c) botanygirl, some rights reserved (CC BY), uploaded by botanygirl
- 20. (c) Andy Newman, some rights reserved (CC BY-NC), uploaded by Andy Newman
- 21. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 22. (c) Laura Clark, some rights reserved (CC BY), uploaded by Laura Clark