The other side, the interrupted wall of mirrors, the pedestrian can be seen. With larger distance to the mirror he can experience, how other humans come from the picture and disappear in the picture.
From a mirror people come! As soon as they appear, we notice them equivalent twice: As original and as reflected opposite side, which is actually turned away us.

Likewise the painting in the reflector surfaces, which is on on the back the Spiegelwand, shows up. We experience the portion of the painting accordingly again in this way differently - depending upon our own position to the mirrorwall.
The possibility of the viewer of going into a picture or of moving better between the picture, is a further consequence of the inter-PICTURE.
Further effects are with the mirror to reach.