Palestrante sênior feliz em pé no tribuno de madeira isolado no branco - Banco de fotos e imagens

Senior lecturer leaning on wooden tribune in classroom

Pensive senior lecturer standing with pencil isolated on white

Smiling grey hair professor holding stack of books with apple on top

Senior lecturer holding piece of chalk and looking away

Photo of bossy old grey hairdo man crossed arms wear khaki outfit isolated on yellow color background.

Delicious coffee. Handsome elderly man in eyeglasses holding a cup of coffee in one hand and supporting it with the other while posing isolated on a white background

Confused senior man showing dubium gesture while looking at camera isolated on grey

Smiling elderly man in eyeglasses and bow tie looking at camera isolated on grey

Surprised senior man in shirt and jacket pointing with finger at himself isolated on grey

Smiling senior man looking at camera while touching jacket isolated on grey

Thoughtful senior man in jacket looking at camera isolated on grey

Elderly man in bow tie and blue jacket using smartphone isolated on grey

Excited senior man looking at camera isolated on grey

Elderly man in shirt and jacket using smartphone isolated on grey

Cheerful senior man showing yeah gesture isolated on grey