Royalty-Free Thinker Photos, orientation: horizontal
- 2816x2112 Public Domain
- 1936x1288 Public Domain
- 3320x2211 Public Domain
- 3840x2560 Public Domain
- 2560x1219 Public Domain
- 2256x1504 Public Domain
- 5334x3554 Public Domain
- 3072x2048 Public Domain
- 3053x2198 Public Domain
- 8000x8000 Public Domain
- 8000x8000 Public Domain
- 3840x2560 Public Domain
- 5184x3888 Public Domain
- 8000x8000 Public Domain
- 8000x8000 Public Domain
- 2112x1584 Public Domain