:target: :target: :target: :target: :target: :target: :target: :target: :target: :target: :target: :target: :target: :target: Pictures of pictures, pictures in pictures, pictures on pictures: art history is full of references, traces, and labyrinths in which the viewer can easily get lost in an endless abundance of visual material. :target: :target: :target: :target: :target: :target: :target: :target: :target: :target: :target: :target: :target: :target: