Edited by María Begoña García, Manuel, and Ane Mujika, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Jason Grant, some rights reserved (CC BY), uploaded by Jason Grant
- 2. (c) Ane Mujika, all rights reserved, uploaded by Ane Mujika
- 3. (c) Ron Frumkin, some rights reserved (CC BY-NC), uploaded by Ron Frumkin
- 4. (c) Sergey Mayorov, some rights reserved (CC BY-NC), uploaded by Sergey Mayorov
- 5. (c) Cyril Gros, some rights reserved (CC BY-NC-SA)
- 6. (c) Keith W. Larson, some rights reserved (CC BY-NC), uploaded by Keith W. Larson
- 7. (c) Muriel Bendel, some rights reserved (CC BY-NC), uploaded by Muriel Bendel
