Time-Line (Spheres, Angles and the Negative of the 2nd Derivative) , by jo baer , 2012
A drawing of a landscape with a large circle in the middle of it.
A drawing of a landscape with a circle in the middle of it.  The circle is gray.  There is a long black string going through the center of the drawing.  On the left side of the circle is a house with a thatched roof.  Next to the house is a body of water.  In the background are green hills and a blue sky.