Edited by Martine Lapointe, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
- 2. (c) Degtyarev Nikolai Ivanovich, some rights reserved (CC BY-NC), uploaded by Degtyarev Nikolai Ivanovich
- 3. (c) Priyantha Wijesinghe, some rights reserved (CC BY-NC), uploaded by Priyantha Wijesinghe
- 4. (c) Ольга Курякова, some rights reserved (CC BY-NC), uploaded by Ольга Курякова
- 5. (c) Jason Hollinger, some rights reserved (CC BY)
- 6. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 7. (c) Kelly Beller, some rights reserved (CC BY-NC), uploaded by Kelly Beller
- 8. (c) manual crank, some rights reserved (CC BY-NC-SA)
- 9. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 10. (c) Andy Fyon, some rights reserved (CC BY-NC), uploaded by Andy Fyon
- 11. (c) Chris Parker, some rights reserved (CC BY-ND)
