Usmívající se starší muž v košili a bundě tahání ruku na kameru na rozmazané popředí izolované na šedé - Stock fotografie a obrázky

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

Excited senior man in bow tie pointing with fingers at camera isolated on grey

Portrait of cheerful satisfied person arms flexing showing biceps isolated on yellow color background.

Photo of funky elder man crossed arms look promo wear dark t-shirt isolated on yellow color background.

Photo of impressed aged man crossed palms wear dark t-shirt isolated on yellow color background.

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

Smiling senior man in bow tie and jacket pointing with finger isolated on grey

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

Happy senior lecturer standing at wooden tribune isolated on white

Senior lecturer holding piece of chalk and looking away

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

Smiling grey hair professor holding piece of chalk

Thoughtful senior lecturer looking down on white

Spiritual guru looking at camera and pointing with hands isolated on grey

Senior lecturer pointing on something in lecture room

Happy senior lecturer buttoning shirt