Royalty-Free December Photos, dominant color: gray
- 4128x2752 Public Domain
- 4895x3263 Public Domain
- 6000x4004 Public Domain
- 2922x2067 Public Domain
- 3888x2592 Public Domain
- 3469x5204 Public Domain
- 6000x4004 Public Domain
- 5184x3456 Public Domain
- 2981x1965 Public Domain
- 2200x1708 Public Domain
- 4928x3264 Public Domain
- 3268x2666 Public Domain
- 3724x2487 Public Domain
- 4896x3264 Public Domain
- 3888x2592 Public Domain