District 9 -1

The main source of light in this scene is the white light coming from the sun, through the windows.This creates highlights on the man's skull and nose, and puts the other half of his face in shadow.There is another motivated blue light shining on his head from his right.These two lights generate highlights and shadows that reveal the form of the man's face and his expression by the wrinkling of his forehead, which is clearly visible.