教授、化学者、生物学者、教師は、クラスを保持している、スピーチを持って、トリビューンに彼の手のひらを平手打ち、水道水、シンク、白い医療ローブの教授、眼鏡、昼間、緑の黒板、屋内、窓からの光、ドアの後ろにあります - ストックフッテージ＆ビデオ

Professor, Male, Chemist, Biologst is Holding Lecture, Class, Lesson, Teacher at the Tribune, is pulling up clothes under the medical robe, talking, gesticulating, walking by auditorium, professor in glasses, man with beard and mustache, Students in

Professor, Man, Chemist, Biologist in White Medical Robe, professor in glasses, man with beard and mustache, is Holding the Class, Lesson at the Tribune, Teacher's Desk, took the glasses off, talking, gesticulating, turning back, green blackboard on

Professor, Man, Chemist, Biologist in White Medical Robe, professor in glasses, man with beard and mustache, is Holding the Class, Lesson at the Tribune, Teacher's Desk, man is gesticulating, turning back, green blackboard on the wall is behind the

Doctor reading file and using computer at reception desk

Professor, Chemist, Biologist, Male, Have Closed the Door, Opened the Door, Entered the Classroom, Closeup, Began the Lesson, teacher is Holding the Class, Lesson in Auditorium in front of Students, professor in glasses, in white medical

The hungry visitor comes to the cafe and unbearable waits menu. 4K.

Professor, Male, Chemist, Biologst is Holding Lecture, Class, Lesson, Teacher at the Tribune, is pulling up clothes under the medical robe, talking, gesticulating, walking by auditorium, professor in glasses, man with beard and mustache, Students in

Professor, Man, Chemist, Biologist in White Medical Robe, professor in glasses, man with beard and mustache, is Holding the Class, Lesson at the Tribune, Teacher's Desk, took the glasses off, talking, gesticulating, turning back, green blackboard on

Professor, Man, Chemist, Biologist in White Medical Robe, professor in glasses, man with beard and mustache, is Holding the Class, Lesson at the Tribune, Teacher's Desk, man is gesticulating, turning back, green blackboard on the wall is behind the

Professor, Chemist, Biologist, Male, Have Closed the Door, Opened the Door, Entered the Classroom, Closeup, Began the Lesson, teacher is Holding the Class, Lesson in Auditorium in front of Students, professor in glasses, in white medical

People are Arranging Old Books on the Glass Shelves in Museum, brown pages, Old Historical book. Man in glasses, woman, Ancient machines, tools for printing. Nestor the Chronicler's book "The Tale of Bygone Years", Paterik Kievo-Pechersky, year of

Professor, Chemist, Biologist, Male, is Holding the Class, Lesson in Auditorium in front of Students, professor in glasses, in white medical robe, professor with beard and mustache, Top Down, zoom in, Professor Closeup, gesticulating, holding