講義の準備。高齢の灰色の頭の男、教授、教師の仕事では、屋内で働く。職業、仕事、教育、動機付けの概念。大学に戻る - ストックフォト＆画像

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

Handsome smiling senior man while sitting at his cozy workplace with laptop at home, retired male chatting with friends in social media

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

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

Handsome senior writer working with laptop and making notes in notebook

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

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.

Senior man working with tablet at home - concept of home studying. Caucasian male model sitting on sofa and doing his homework serfing in internet, watching cinema or webinar, online lessons.

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.

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.

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

Senior man working with tablet at home - concept of home studying. Caucasian male model sitting on sofa and doing his homework serfing in internet, watching cinema or webinar, online lessons.

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.

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, making notes while webinars on.