Edited by Царство тигров, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Cameron Eckert, some rights reserved (CC BY-NC), uploaded by Cameron Eckert
- 2. (c) vio76, some rights reserved (CC BY-NC), uploaded by vio76
- 3. (c) Yersinia pestis, some rights reserved (CC BY-NC-SA)
