Edited by María Begoña García, Manuel, Ane Mujika, and Neus Ibáñez Cortina, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Erik Jørgensen, some rights reserved (CC BY-NC-SA)
- 2. (c) Giuseppe Buscemi, some rights reserved (CC BY-NC), uploaded by Giuseppe Buscemi
- 3. (c) Tony Rebelo, some rights reserved (CC BY-SA), uploaded by Tony Rebelo
