Photos:
- 1. (c) Bas Kers (NL), some rights reserved (CC BY-NC-SA)
- 2. (c) Sam Thomas, some rights reserved (CC BY-NC-SA)
- 3. (c) myself, some rights reserved (CC BY-SA)
- 4. (c) fabelfroh, some rights reserved (CC BY-NC-SA)
- 5. (c) --Tico--, some rights reserved (CC BY-NC-ND)
- 6. (c) David GENOUD, some rights reserved (CC BY-NC-SA)
- 7. (c) Oskar Gran, some rights reserved (CC BY-NC)
- 8. (c) 2010 Barry Breckling, some rights reserved (CC BY-NC-SA)
- 9. (c) Vladimir Travkin, some rights reserved (CC BY-NC), uploaded by Vladimir Travkin
- 10. (c) Jason Grant, some rights reserved (CC BY), uploaded by Jason Grant
- 11. (c) Bart Wursten, some rights reserved (CC BY-NC-SA)
- 12. (c) Udo Schmidt, some rights reserved (CC BY-SA)
- 13. (c) Kentish Plumber, some rights reserved (CC BY-NC-ND)
- 14. (c) Colin Avison, some rights reserved (CC BY-NC-ND)
- 15. (c) bathyporeia, some rights reserved (CC BY-NC-ND)
- 16. (c) Biopix, some rights reserved (CC BY-NC)
- 17. (c) Nuuuuuuuuuuul, some rights reserved (CC BY)
- 18. (c) Kristian Peters, some rights reserved (CC BY-NC-SA)
- 19. (c) Mr. Tonreg, some rights reserved (CC BY)
- 20. (c) Daniel Cahen, some rights reserved (CC BY), uploaded by Daniel Cahen
- 21. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 22. (c) Tyler Smith, some rights reserved (CC BY-NC)
Compiled by Ruth Ripley,
some rights reserved
(CC BY-SA)
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