Edited by Bill Sheehan, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) bob15noble, some rights reserved (CC BY-NC), uploaded by bob15noble
- 2. (c) Miles Zhang, some rights reserved (CC BY-NC), uploaded by Miles Zhang
- 3. (c) Gilles San Martin, some rights reserved (CC BY-SA)
- 4. (c) Brenda Dobbs, some rights reserved (CC BY-NC)
- 5. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 6. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
- 7. (c) Degtyarev Nikolai Ivanovich, some rights reserved (CC BY-NC), uploaded by Degtyarev Nikolai Ivanovich
- 8. (c) Ivan Pancic, some rights reserved (CC BY-NC), uploaded by Ivan Pancic
- 9. (c) Susan J. Hewitt, some rights reserved (CC BY-NC), uploaded by Susan J. Hewitt
- 10. (c) Donald Hobern, some rights reserved (CC BY)
