男は子供との会話に従って机に注意深く座っています. - ストックフォト＆画像

Open to new knowledges. Elderly gray-headed man, professor, teacher and students at lecture, lesson at classroom, indoors. Concept of professional occupation, job, education. Back to school

Open to new knowledges. Elderly gray-headed man, professor, teacher and students at lecture, lesson at classroom, indoors. Concept of professional occupation, job, education. Back to school

Unrecognisable businessman making a presentation to his colleagues at the modern office space.

Young African American male student sitting among other students at lection and asking question to professor. Indoor. Man communicating with teacher at seminar in college. Studying concept.

Smiling teacher pointing with finger near schoolboys and gadgets in classroom