Royalty-Free Challenge Photos, dominant color: gray, sorted by aesthetic score
- 4608x3072 Public Domain
- 3872x2592 Public Domain
- 5000x3000 Public Domain
- 4800x3264 Public Domain
- 3089x2114 Public Domain
- 5000x5000 Public Domain
- 4896x3264 Public Domain
- 5452x3635 Public Domain
- 2100x1500 Public Domain
- 4000x3000 Public Domain
- 2000x1330 Public Domain
- 3008x2000 Public Domain
- 4000x3000 Public Domain
- 2200x1466 Public Domain
- 4636x2925 Public Domain
- 4050x2551 Public Domain
- 4636x2925 Public Domain
- 3000x1200 Public Domain
- 4272x2848 Public Domain
- 3008x2000 Public Domain
- 3872x2592 Public Domain
- 4928x3264 Public Domain
- 1920x1371 Public Domain
- 2400x3480 Public Domain
- 3264x2448 Public Domain
- 4272x2848 Public Domain
- 5456x3632 Public Domain
- 1920x1440 Public Domain
- 2000x1333 Public Domain
- 4256x2832 Public Domain