Royalty-Free Scientific Photos, minimum size: 4k, dominant color: white
- 6000x4000 Public Domain
- 5472x3648 Public Domain
- 4608x3456 Public Domain
- 3200x4800 Public Domain
- 3200x4800 Public Domain
- 4650x3100 Public Domain
- 4608x3456 Public Domain
- 4288x2848 Public Domain