Royalty-Free Bacteria Photos, orientation: horizontal
- 2024x1464 Public Domain
- 2272x1704 Public Domain
- 2424x1731 Public Domain
- 2432x2039 Public Domain
- 3888x2592 Public Domain
- 1920x1272 Public Domain
- 2100x1761 Public Domain
- 2598x1889 Public Domain
- 2700x1800 Public Domain
- 2000x1268 Public Domain
- 4000x2335 Public Domain
- 3276x2080 Public Domain
- 5184x3456 Public Domain