The viewer climbs onto a row of narrow bricks, walks towards the wall and puts on the head phones.
The wall has an embedded distance sensor into it which is able to detect how far or how close the viewer is from the wall.The LCD panel mounted which displays electronic text as heard via the headphones.In the 8 minutes conversation/interaction that begins, the wall that tells the viewer to sometimes step forward, a little more, or sometimes back, as it (the wall) is unable to see the border, as it rained last night.