Royalty-Free Humbold-university Photos, orientation: vertical
- 3072x4608 Public Domain
- 4000x6000 Public Domain
- 3300x4908 Public Domain
- 4000x5969 Public Domain
- 4000x6000 Public Domain
- 3168x4752 Public Domain
- 2952x4536 Public Domain
- 2495x3928 Public Domain
- 2848x4225 Public Domain
- 3695x5543 Public Domain