Royalty-Free Laboratory Photos, orientation: horizontal
- 1920x1280 Public Domain
- 4000x2667 Public Domain
- 3724x2387 Public Domain
- 4272x2848 Public Domain
- 3900x2600 Public Domain
- 4608x3456 Public Domain
- 5184x3456 Public Domain
- 3000x2057 Public Domain
- 3233x2973 Public Domain
- 4006x2671 Public Domain
- 1920x1271 Public Domain
- 1474x1134 Public Domain
- 4928x3264 Public Domain
- 4608x3456 Public Domain
- 1920x1271 Public Domain
- 1920x1271 Public Domain
- 2500x1606 Public Domain
- 6016x4016 Public Domain
- 3000x2024 Public Domain
- 5146x3431 Public Domain
- 4949x3299 Public Domain
- 4896x3264 Public Domain
- 2048x1335 Public Domain
- 2500x1667 Public Domain
- 1920x1271 Public Domain
- 1920x1271 Public Domain
- 1920x1272 Public Domain
- 3872x2592 Public Domain
- 2583x1729 Public Domain
- 3264x2448 Public Domain