Royalty-Free Mechanism Photos, dominant color: gray
- 4608x3456 Public Domain
- 6016x4016 Public Domain
- 4979x3406 Public Domain
- 3246x2160 Public Domain
- 4149x2760 Public Domain
- 4928x3264 Public Domain
- 4096x2726 Public Domain
- 3941x2623 Public Domain
- 4683x3648 Public Domain
- 3420x2289 Public Domain
- 5440x3648 Public Domain
- 6000x3376 Public Domain
- 4000x3000 Public Domain
- 4752x3168 Public Domain
- 2738x1825 Public Domain
- 4752x3168 Public Domain
- 4256x2832 Public Domain
- 4640x3080 Public Domain
- 4928x3264 Public Domain
- 4288x2848 Public Domain
- 6016x4016 Public Domain
- 3008x2000 Public Domain
- 2832x4256 Public Domain
- 4500x3024 Public Domain
- 4331x3017 Public Domain
- 5760x3840 Public Domain
- 1644x2052 Public Domain
- 5456x3632 Public Domain
- 5184x3456 Public Domain
- 4633x3089 Public Domain