Edited by Simone Runyan, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Serguei Ponomarenko, alguns direitos reservados (CC BY-NC), uploaded by Serguei Ponomarenko
- 2. (c) Walter Siegmund, alguns direitos reservados (CC BY-SA)
- 3. (c) Mart Hughes, alguns direitos reservados (CC BY-NC), uploaded by Mart Hughes
- 4. (c) Kris Hazelbaker, alguns direitos reservados (CC BY-NC-SA), uploaded by Kris Hazelbaker
- 5. (c) Leslie Seaton, alguns direitos reservados (CC BY)