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によって IgorVetushko 4912x7360 px
ストック写真ID: 178885046
Thoughtful senior lecturer sitting at table with pencil and notebook
Smiling grey hair professor holding wooden pointer
Grey hair professor showing fist to students
Smiling grey hair professor holding paper plane in lecture hall
Aged male teacher in front of chalkboard
Grey hair professor using laptop at table in lecture hall
Senior lecturer holding book and pointing on something
Rear view of senior lecturer writing something on blackboard with piece of chalk
Thoughtful senior man with pencil and sheet of paper
Senior man in tweed suit reading notes in notebook with magnifying glass
Smiling elderly man looking at camera while holding laptop isolated on grey
Cheerful businessman in glasses voting near brick wall
Pensive handsome grey hair man thinking and looking at chessboard at home
Serious senior man writing in notebook with pencil
Pensive handsome grey hair man holding book and looking at camera
Handsome grey hair man reading book at home
Senior writer in tweed suit and eyeglasses with letter near workplace
Serious senior businessman adjusting eyeglasses while looking at camera isolated on black