Edited by Brett Monroe Garner, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) John Tann, some rights reserved (CC BY)
- 2. (c) Kristian Peters, some rights reserved (CC BY-NC-SA)
- 3. (c) Nikolai Vladimirov, some rights reserved (CC BY-NC), uploaded by Nikolai Vladimirov
- 4. (c) Mateo Hernandez Schmidt, some rights reserved (CC BY-NC-SA), uploaded by Mateo Hernandez Schmidt
- 5. (c) 2008 Keir Morse, some rights reserved (CC BY-NC-SA)
- 6. (c) Carol Blaney, some rights reserved (CC BY-NC), uploaded by Carol Blaney
- 7. (c) Andreas Rockstein, some rights reserved (CC BY-NC), uploaded by Andreas Rockstein
- 8. (c) Jakob Fahr, some rights reserved (CC BY-NC), uploaded by Jakob Fahr
- 9. (c) Jon Sullivan, some rights reserved (CC BY)
- 10. (c) andrewdavies2211, some rights reserved (CC BY-NC), uploaded by andrewdavies2211
- 11. (c) J. Maughn, some rights reserved (CC BY-NC)
- 12. (c) Michelle Kinsey Bruns, some rights reserved (CC BY)
- 13. (c) Kirill Ignatyev, some rights reserved (CC BY-NC-ND)
- 14. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 15. (c) V.S. Volkotrub, some rights reserved (CC BY-NC), uploaded by V.S. Volkotrub
- 16. (c) Bastiaan, some rights reserved (CC BY-NC-ND)
- 17. (c) Jörg Hempel, some rights reserved (CC BY-SA)
- 18. (c) Nasser Halaweh, some rights reserved (CC BY), uploaded by Nasser Halaweh