In this page of Around the World in 80 Moods by Azeu Lost, scale is implemented to show depth and size of their surroundings.  In the top frame, we see them walking on a brick path.  Objectively, we know that the all the bricks are the same size and shape.  Subjectively, the drawing of the bricks is warped adding the third dimension and giving the picture a sense of depth.  The artist uses the characters in the next frame to show that he has zoomed out.  The two characters are still the same size but their relative size to the frame is smaller letting the reader know that the space being displayed is much larger and wider than the previous frame.  The last frame that are bigger again showing that the space represented is smaller.