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Von IgorVetushko 7033x4694 px
Stockfoto-ID: 178882788
Senior lecturer pointing on something in lecture room
Grey hair professor pointing on something at lecture hall
Senior lecturer holding piece of chalk and looking away
Senior lecturer leaning on table and looking away
Smiling grey hair professor holding stack of books with apple on top
Thoughtful senior lecturer sitting at table with pencil and notebook
Smiling grey hair professor holding wooden pointer
Smiling grey hair professor holding piece of chalk
Excited senior man in bow tie pointing with fingers at camera isolated on grey
Smiling elderly man in eyeglasses and bow tie looking at camera isolated on grey
Positive senior man in blue jacket and bow tie touching eyeglasses isolated on grey
Positive senior man talking on smartphone and pointing with finger isolated on grey
Senior man smiling at camera while showing thumb up gesture and holding blue jacket isolated on grey
Smiling senior man holding medical mask isolated on grey
Elderly man in bow tie and blue jacket using smartphone isolated on grey
Positive senior man holding jacket and talking on smartphone isolated on grey