Portret szczęśliwego młodego człowieka szalonego naukowca śmiejącego się na zajęciach przy biurku patrzącego w kamerę w okularach i ubraniach. Koncepcja ludzi, emocji i zawodu. - Materiał filmowy & wideo

Portrait of friendly young man teacher smiling sitting at desk in class looking at camera, laptop and books are visible on table. People and education concept.

Mature woman is using laptop in class working online typing sitting at desk alone concentrated on work. Modern technology and communication concept.

Crazy man scientist is using laptop computer typing then writing in notebook expressing positive emotions enjoying education. People and devices concept.

Portrait of serious handsome young man in glasses looking ay camera sitting at desk in classroom alone. Modern education, people and occupation concept.

University professor serious adult lady in suit and glasses is using laptop then taking notes working at desk in class. Technology and education concept.

Serious adult woman is sitting at desk in university classroom looking at camera wearing suit and glasses. Profession, lifestyle and education concept.

Portrait of friendly young man teacher smiling sitting at desk in class looking at camera, laptop and books are visible on table. People and education concept.

Mature woman is using laptop in class working online typing sitting at desk alone concentrated on work. Modern technology and communication concept.

Crazy man scientist is using laptop computer typing then writing in notebook expressing positive emotions enjoying education. People and devices concept.

Portrait of serious handsome young man in glasses looking ay camera sitting at desk in classroom alone. Modern education, people and occupation concept.

University professor serious adult lady in suit and glasses is using laptop then taking notes working at desk in class. Technology and education concept.

Serious adult woman is sitting at desk in university classroom looking at camera wearing suit and glasses. Profession, lifestyle and education concept.