Edited by María Begoña García, Manuel, Ane Mujika, and Neus Ibáñez Cortina, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Dave Spier, some rights reserved (CC BY-NC-ND), uploaded by Dave Spier
- 2. (c) Bodo Nuñez Oberg, some rights reserved (CC BY-NC), uploaded by Bodo Nuñez Oberg
- 3. (c) Brian-Sean Early, some rights reserved (CC BY-NC), uploaded by Brian-Sean Early
- 4. (c) 葉子, some rights reserved (CC BY-NC), uploaded by 葉子
