Edited by Renata Leite Pitman, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Dorota (Dorothy), some rights reserved (CC BY-SA)
- 2. (c) Maria Wheeler-Dubas, some rights reserved (CC BY-NC), uploaded by Maria Wheeler-Dubas
- 3. (c) Geoffrey Cox, some rights reserved (CC BY), uploaded by Geoffrey Cox
- 4. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 5. (c) George F Mayfield, some rights reserved (CC BY-SA)
- 6. (c) Eric Keith, some rights reserved (CC BY-NC), uploaded by Eric Keith
- 7. (c) Bob O'Kennon, some rights reserved (CC BY-NC), uploaded by Bob O'Kennon
- 8. (c) Bill Lupardus, some rights reserved (CC BY-NC), uploaded by Bill Lupardus
- 9. (c) Phil Sellens, some rights reserved (CC BY)
- 10. (c) Joshua Mayer, some rights reserved (CC BY-SA)
- 11. (c) Jason Hollinger, some rights reserved (CC BY)
- 12. (c) dloarie, some rights reserved (CC BY), uploaded by dloarie
- 13. (c) Lynette Schimming, some rights reserved (CC BY-NC)
- 14. (c) Eva Ekeblad, some rights reserved (CC BY-NC-SA)
- 15. (c) Serge M. Appolonov, some rights reserved (CC BY-NC), uploaded by Serge M. Appolonov
