A man in a plaid shirt writing on a whiteboard with a whiteboard marker.
A man writing on the white board slightly above his hed
A man writing things in a flow charge onto a whiteboard.
A teacher is drawing on a white baoard.
A man is drawing a diagram on a white board.
A man writing on a white board in blue pen.
Male teacher writing with marker on a white board.
A man using a marker to write on the whiteboard.
A man is writing on a whiteboard while seated at a desk.
A man in a plaid shirt is writing on a white board.