Edited by aqeducation, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Mike Patterson, some rights reserved (CC BY-NC), uploaded by Mike Patterson
- 2. (c) Franco Folini, some rights reserved (CC BY)
- 3. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 4. (c) Jerry Kirkhart, some rights reserved (CC BY-NC)
- 5. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 6. (c) lchroman, some rights reserved (CC BY-NC), uploaded by lchroman
- 7. (c) aqeducation, all rights reserved
- 8. (c) John Barkla, some rights reserved (CC BY), uploaded by John Barkla
- 9. (c) David Greenberger, some rights reserved (CC BY-NC-ND), uploaded by David Greenberger
- 10. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 11. no rights reserved
- 12. (c) Jennifer de Graaf, some rights reserved (CC BY-NC)
- 13. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 14. (c) Arturo, some rights reserved (CC BY-NC-SA)