A man in blue is standing near a projector teaching a class.
A person  in  a conference room can be seen giving a lecture while they stand in front of a screen and others look on.
A man giving a presentation to several other people.
A man in a blue shirt is standing in front of a group and teaching.
Man standing before a group in office attire giving a presentation.
The perons is doing somehting at the office.
A man standing in front of a projector.
Teacher in a room surrounded by adult students in a classroom.
A man in blue shirt is standing in front of others.
a man against the wall near a projection screen