a man that is talking holding his hands up
A man in a suit is standing behind a wooden desk.
A man in a white shirt and tie gives a presentation in front of a large whiteboard.
A man in a white shirt is giving a presentation.
Man wearing business wear is standing behind a desk giving a presentation.
A person standing behind a desk and in front of a board dressed with a tie
A teacher is giving a lecture in front of a classroom.
A man wearing a shirt and tie is standing behind a desk and talking.
A man lectures from behind a yellow desk in front of a whiteboard.
Speaking at the head of the class, the lecturer gives his presentation.