図書館でカメラを見て灰色の男大学教授の肖像画。彼は笑顔で髭に触れている。書店や書棚の事務所で中年の男性起業家の背景. - ストックフッテージ＆ビデオ

Portrait of a graying man University Professor in library turning head and looking at camera, side view. He is smiling and touching his beard. Mature entrepreneur in bookstore or in office.

Mature man talking calling video call, listening and nodding head to answer in office, library on bookshelves background. First person view. Remote work of teacher, professor or entrepreneur online.

Portrait of young Caucasian man with beard in glasses looking at camera with slight smile in library. Close up of male professor or worker of bibliotheca. Books shelves on background. Senior teacher.

Portrait of young man blogger vlogger in white shirt and glasses talking on camera and waving hand greeting subscribers on bookshelves background. Creating recording a video content for blog, vlog.

Portrait of a graying man University Professor in library turning head and looking at camera, side view. He is smiling and touching his beard. Mature entrepreneur in bookstore or in office.

Mature man talking calling video call, listening and nodding head to answer in office, library on bookshelves background. First person view. Remote work of teacher, professor or entrepreneur online.

Portrait of young man blogger vlogger in white shirt and glasses talking on camera and waving hand greeting subscribers on bookshelves background. Creating recording a video content for blog, vlog.

Portrait of young professor or student in glasses and white shirt at University library in campus looking at camera and smiling on bookshelves background. Working, studying, education concept.

Portrait of mature man is dreaming resting in armchair in his home office, library with hands behind head on bookshelves background. Remote work concept. Relaxation after busy day. Tired man snoozing.

Pretty girl student with green dreads hairs in glasses in library looking at camera. Portrait of smiling young girl with green dreadlocks in white blouse on bookshelves background. Studying concept.