Edited by derana171, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Jerry Kirkhart, some rights reserved (CC BY)
- 2. (c) holdfast..., some rights reserved (CC BY)
- 3. (c) Gary W. Saunders, University of New Brunswick, some rights reserved (CC BY-NC-SA)
- 4. (c) John Pearse, some rights reserved (CC BY-NC), uploaded by John Pearse
- 5. (c) Gena Bentall, some rights reserved (CC BY-NC), uploaded by Gena Bentall
- 6. (c) kqedquest, some rights reserved (CC BY-NC)
- 7. (c) Brenna Green, some rights reserved (CC BY-NC-ND), uploaded by Brenna Green
