Portrét šedivějícího profesora univerzity v knihovně, jak se dívá do kamery. Usmívá se a dotýká se vousů. Středního věku muž podnikatel v knihkupectví nebo v kanceláři na knihovnách pozadí. - Stock záběry a video

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.