Edited by Martin Vohralík, and Markéta Vohralíková Houšková, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Jakob Fahr, some rights reserved (CC BY-NC), uploaded by Jakob Fahr
- 2. (c) Markus Döring, some rights reserved (CC BY-NC), uploaded by Markus Döring
- 3. (c) Daniele Seglie, some rights reserved (CC BY-NC), uploaded by Daniele Seglie
- 4. (c) Tom Kirschey, some rights reserved (CC BY-NC), uploaded by Tom Kirschey
- 5. (c) Miltos Gikas, some rights reserved (CC BY)
- 6. (c) Jürgen Mangelsdorf, some rights reserved (CC BY-NC-ND)
- 7. (c) mgreilhuber, some rights reserved (CC BY-NC), uploaded by mgreilhuber
- 8. (c) H. Krisp, some rights reserved (CC BY)
- 9. (c) Luciano 95, some rights reserved (CC BY)
- 10. (c) Serge M. Appolonov, some rights reserved (CC BY-NC), uploaded by Serge M. Appolonov
- 11. (c) Ioana Mita, some rights reserved (CC BY-NC), uploaded by Ioana Mita
- 12. (c) Martin Vohralík, some rights reserved (CC BY), uploaded by Martin Vohralík
- 13. (c) Martin Vohralík, some rights reserved (CC BY-NC), uploaded by Martin Vohralík
- 14. (c) Bogdan, some rights reserved (CC BY-NC), uploaded by Bogdan
- 15. (c) Yota K., some rights reserved (CC BY-NC), uploaded by Yota K.
- 16. (c) Christoph Moning, some rights reserved (CC BY), uploaded by Christoph Moning
- 17. (c) Kutushev Radik, some rights reserved (CC BY-NC), uploaded by Kutushev Radik
- 18. (c) bathyporeia, some rights reserved (CC BY-NC-SA)
- 19. (c) Paul Pratt, some rights reserved (CC BY-NC), uploaded by Paul Pratt
- 20. (c) anofeles, some rights reserved (CC BY-NC), uploaded by anofeles
- 21. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 22. (c) Gert Jan Verspui, some rights reserved (CC BY-NC), uploaded by Gert Jan Verspui
- 23. (c) Rudolf Černý, some rights reserved (CC BY-NC), uploaded by Rudolf Černý
- 24. (c) Linda De Volder, some rights reserved (CC BY-NC-ND)