Edited by Santiago Martín-Bravo, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 2. (c) Ximo Galarza, some rights reserved (CC BY-NC-SA)
- 3. (c) markus lilje, some rights reserved (CC BY-NC-ND), uploaded by markus lilje
- 4. (c) Ferran Pestaña, some rights reserved (CC BY-NC)
- 5. (c) Saurabh Agrawal, some rights reserved (CC BY-NC), uploaded by Saurabh Agrawal
- 6. (c) Ian White, some rights reserved (CC BY-NC-SA)
- 7. (c) Andrew, some rights reserved (CC BY-NC)
- 8. (c) Ómar Runólfsson, some rights reserved (CC BY)
- 9. (c) Werner Witte, some rights reserved (CC BY-NC)
- 10. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 11. (c) Mark Kilner, some rights reserved (CC BY-NC-SA)
- 12. (c) Геннадий, some rights reserved (CC BY-NC), uploaded by Геннадий
- 13. (c) Paolo, some rights reserved (CC BY), uploaded by Paolo
- 14. (c) Chia aka Cory Chiappone, some rights reserved (CC BY-NC), uploaded by Chia aka Cory Chiappone
- 15. (c) Alain Fossé, some rights reserved (CC BY), uploaded by Alain Fossé
- 16. (c) Jörg Hempel, some rights reserved (CC BY-SA), uploaded by Jörg Hempel
- 17. (c) Mina Zaki, some rights reserved (CC BY-NC), uploaded by Mina Zaki
- 18. (c) Alexey Zyryanov, some rights reserved (CC BY-NC), uploaded by Alexey Zyryanov
- 19. (c) Frans Vandewalle, some rights reserved (CC BY-NC)
- 20. (c) Luca Boscain, some rights reserved (CC BY-NC), uploaded by Luca Boscain