Edited by Tony Rebelo, Geoff Nichols, and graham_g, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Erin and Lance Willett, some rights reserved (CC BY-NC-ND)
- 2. (c) Bernard DUPONT, some rights reserved (CC BY-SA)
- 3. (c) qgrobler, some rights reserved (CC BY-NC), uploaded by qgrobler
- 4. (c) Mark Hyde, Bart Wursten and Petra Ballings, some rights reserved (CC BY-NC)