Edited by Malena Lorente, some rights reserved (CC0)
Photo Credits
- 1. (c) Dario Sanches, some rights reserved (CC BY-SA)
- 2. (c) Cláudio Dias Timm, some rights reserved (CC BY-NC-SA)
- 3. (c) Tan Kok Hui, some rights reserved (CC BY-NC)
- 4. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 5. (c) Nick Chill, some rights reserved (CC BY-NC-SA)
- 6. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
- 7. (c) Kent C. Jensen, some rights reserved (CC BY-NC), uploaded by Kent C. Jensen
- 8. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 9. (c) Edwin Harvey, some rights reserved (CC BY-NC-SA)
- 10. (c) Mike Pennington, some rights reserved (CC BY-SA)
- 11. (c) Deyvson Moutinho Caliman, some rights reserved (CC BY-NC), uploaded by Deyvson Moutinho Caliman
- 12. (c) Nicolas Olejnik, some rights reserved (CC BY-NC), uploaded by Nicolas Olejnik
- 13. (c) Jordi Roy Gabarra, some rights reserved (CC BY-NC)
- 14. (c) Wagner Machado Carlos Lemes, some rights reserved (CC BY)
- 15. (c) Carmelo López Abad, some rights reserved (CC BY-NC), uploaded by Carmelo López Abad
- 16. (c) jeanmichel_moisant, some rights reserved (CC BY-NC), uploaded by jeanmichel_moisant
- 17. (c) Peter Trimming, some rights reserved (CC BY)
- 18. (c) Scott Buckel, some rights reserved (CC BY-NC), uploaded by Scott Buckel
- 19. (c) Jorge Schlemmer, some rights reserved (CC BY-NC), uploaded by Jorge Schlemmer
- 20. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 21. (c) Evandro, some rights reserved (CC BY-NC), uploaded by Evandro
- 22. (c) Lip Kee, some rights reserved (CC BY-SA)
- 23. (c) Guillermo Vasquez, some rights reserved (CC BY)
- 24. (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist
- 25. (c) Lip Kee Yap, some rights reserved (CC BY-SA)