Profesor senior en la sala de conferencias vacía gritando y mirando a la computadora portátil - Foto e imágenes de stock

Smiling grey hair professor sitting in empty lecture room with laptop

Senior lecturer in empty lecture room screaming and looking at camera

Headache. Grey-haired bearded senior man touching his head

Senior man looks at the laptop screen with shock and surprise, he holding head in his hands

Grey hair professor looking at laptop

Photo of shocked funky retired man grey sweater spectacles arm head looking modern gadget isolated beige color background.

Happy grey hair man watching on laptop at home and celebrate win a bet with a gambling, soccer bet, sports gambling

Shocked senior man looking at laptop isolated on grey

Thoughtful senior man looking at laptop

Close-up shot of senior man using laptop

Handsome grey hair man sitting on sofa and using laptop

Handsome grey hair man rubbing eyes at home

Aggressive bearded man yelling at laptop, isolated on blue

Handsome grey hair man sitting on sofa in living room and using laptop

Side view of handsome grey hair man using laptop at home