教授、化学者、生物学者、男性、ドアを閉め、ドアを開け、教室に入り、クローズアップし、授業を始め、教師は学生の前で授業を行い、学生の前で授業を行い、眼鏡の教授、白い医療で - ストックフッテージ＆ビデオ

Professor, Chemist, Biologist, Male, is is Walking by Dark Corridor to the Auditorium, Entered, Started to Hold the Class, Lesson in Auditorium in front of Students, professor in glasses, in white medical robe, gesticulating, professor with beard

Rear view of a young businesswoman wearing a dark suit walking in a hotel lobby and opening a glass door. Tracking real time establishing shot

UTAH, USA - 11 NOV 2014: Dolly shot of working mother leaving the office with her toddler

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, is is Walking by Dark Corridor to the Auditorium, Entered, Started to Hold the Class, Lesson in Auditorium in front of Students, professor in glasses, in white medical robe, gesticulating, professor with beard

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, 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, 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

Professor, Chemist, Biologist, Teacher is Holding the Class,Having Speech, Slap His Palm on the Tribune, water tap, sink, professor in white medical robe, in glasses, daytime, green blackboard, indoor, light from the windows, door is behind the

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