Edited by Luis, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Niranj Vaidyanathan, some rights reserved (CC BY-NC-ND)
- 2. (c) Xavier Rufray, some rights reserved (CC BY-NC), uploaded by Xavier Rufray
- 3. (c) bwood708, some rights reserved (CC BY-NC), uploaded by bwood708
- 4. (c) Andy Gooden, some rights reserved (CC BY-NC), uploaded by Andy Gooden
- 5. (c) arindamsaha6, some rights reserved (CC BY-NC)
- 6. (c) Corine Bliek, some rights reserved (CC BY-NC)
- 7. no rights reserved, uploaded by Kyle Nessen
- 8. (c) Ian White, some rights reserved (CC BY-ND)
- 9. (c) Joaquim Coelho, some rights reserved (CC BY-NC-ND)
- 10. (c) Bill Carrell, some rights reserved (CC BY-NC-ND), uploaded by Bill Carrell
- 11. (c) Tatyana Zarubo, some rights reserved (CC BY-NC), uploaded by Tatyana Zarubo
- 12. (c) daverowe, some rights reserved (CC BY-NC)
- 13. (c) Peter Vos, some rights reserved (CC BY-NC), uploaded by Peter Vos
- 14. (c) Colin Ralston, some rights reserved (CC BY-NC), uploaded by Colin Ralston
- 15. (c) Pedro e Romero, some rights reserved (CC BY-NC-SA)
- 16. (c) Nick Leggatt, some rights reserved (CC BY-NC), uploaded by Nick Leggatt
- 17. (c) Di Franklin, some rights reserved (CC BY-ND), uploaded by Di Franklin
- 18. (c) Mauro Doffria, some rights reserved (CC BY-NC), uploaded by Mauro Doffria
- 19. (c) copper, some rights reserved (CC BY-NC), uploaded by copper
- 20. (c) John Sullivan, some rights reserved (CC BY-NC), uploaded by John Sullivan
