Edited by María Begoña García, Manuel, Ane Mujika, and Neus Ibáñez Cortina, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Ilya, some rights reserved (CC BY-SA)
- 2. (c) Maja Dumat, some rights reserved (CC BY)
- 3. (c) Hugo Gaspar, some rights reserved (CC BY-NC), uploaded by Hugo Gaspar
- 4. (c) Roozitaa, some rights reserved (CC BY-SA)
- 5. (c) Evan M. Raskin, some rights reserved (CC BY), uploaded by Evan M. Raskin
