Portrait of elderly gray-headed man, professor, teacher checking up students homework at classroom, indoors. Concept of occupation, job, education and motivation. Back to school, university - Stock Photo & Image

Preparation for the lecture. Elder gray-headed man, professor, teacher working at work, indoors. Concept of professional occupation, job, education and motivation. Back to school, university

Portrait of elderly gray-headed man, professor, teacher checking up students homework at classroom, indoors. Concept of occupation, job, education and motivation. Back to school, university

Preparation for the lecture. Elder gray-headed man, professor, teacher working at work, indoors. Concept of professional occupation, job, education and motivation. Back to school, university

Positive judgment. Senior man opens a mailing letter with a smile. An experienced lawyer won the trial.

Happy senior writer working with laptop and making notes in notebook

Upset. Businessman, manager in office with computer and fan cooling off, feeling hot, flushed. Using fan but still suffering of uncomfortable climate in cabinet. Summer, office working, business.

Reviewing documents, task, paperwork. Young man, manager return to work in his office after quarantine, feels happy and inspired. Coming back to normal life. Business, finance, emotions concept.

Photo of caucasian young professional psychologist sitting in home office. Concept of communication, psychology, advice, psychotherapy, session, consultation and online therapy. Mental problems

Close up of young man, manager return to work in his office after quarantine, feels happy and inspired. Writing, counting, analyzing. Coming back to normal life. Business, finance, emotions concept.

Attented reading, analyzing information. Young man, manager return to work in his office after quarantine, feels happy and inspired. Coming back to normal life. Business, finance, emotions concept.

Surfing, reading. Caucasian young man in business attire working in office. Young businesswoman, manager doing tasks with smartphone, laptop, tablet has online conference. Concept of job, education.

Senior man working with laptop at home - concept of home studying. Caucasian male model sitting on sofa and doing his homework or serfing in internet, watching cinema, playing games, typing text.

Close up. Caucasian young man in business attire working in office. Young businesswoman, manager doing tasks with smartphone, laptop, tablet has online conference, studying. Concept of job, education.