man, wearing, black, suit jacket, birger kollmeier, professor, blackboard, physics, lecturer, university
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Photo keywords
- man
- wearing
- black
- suit jacket
- birger kollmeier
- professor
- blackboard
- physics
- lecturer
- university
- teacher
- teaching
- board
- education
- men
- standing
- one person
- learning
- indoors
- males
- adult
- classroom
- waist up
- front view
- occupation
- school
- mature adult
- business
- formula
- explaining
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Photo Info
- image size 4256x2832px
- file size 1.22MB
- Mime type Image/jpeg
- resolution 4K
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