Untitled , by hans hartung , 1973 , abstract , Tachisme style , Line
a computer generated image of a blue and yellow background
 an abstract art piece. It is composed of lines that form a tunnel. The lines are black and wavy. The background of the image is blue. On the left side, there is a yellow background that has black lines going through it. In the middle of the blue background is a black line that goes through the tunnel.