Royalty-Free Laboratory Photos, minimum size: 4k, dominant color: blue
- 4256x2832 Public Domain
- 5000x3333 Public Domain
- 5443x3629 Public Domain
- 5184x3456 Public Domain
- 4928x3264 Public Domain
- 1474x1134 Public Domain
- 4896x3264 Public Domain
- 3474x5000 Public Domain