Edited by rarecrr, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Bart Wursten, some rights reserved (CC BY-NC-SA)
- 2. (c) Cory S. Sheffield. York University., some rights reserved (CC BY-NC-SA)
- 3. (c) Martin Cooper, some rights reserved (CC BY)
- 4. (c) ninjatomomi, some rights reserved (CC BY-NC), uploaded by ninjatomomi