Un uomo sta davanti a una scrivania, insegnando appassionatamente a un bambino in una vibrante aula. - Foto e immagini stock

Female professor answering student questions at a lecture in the classroom. Smart young people study at the college. Education, college, university, learning and multiethnic people concep

Happy business colleagues in modern office using tablet and working together

Male business coach speaker in casual formal clothing cooperating with smiled females employees while using flipchart for presentation at modern office

Businessman and his business team at the workplace in the office . start-up

Business people meeting and busy day at office

Smiling schoolgirl using laptop near teacher and schoolboys

Cheerful pupil holding laptop near teacher pointing with hand

Smiling teacher pointing with finger near schoolboys and gadgets in classroom

Mature teacher smiling near pupils and devices

Meeting room, laptops, documents, positive businessman talking to colleagues, brainstorming

Happy businessman pointing at document while talking to multicultural team in meeting room

Smiling bearded entrepreneur with laptop near redhead woman with coffee cup and documents in office

Businessman holding laptop near interracial colleagues and table in office

Smiling businesswoman talking to colleague during meeting with interracial team