Although each plastic bag is mounted stationary the sequences of inflation and deflation create the impression of lively and moving creatures which waft slowly around like a shoal. But as soon a viewer comes close it instantly reacts by drawing back and tentatively following the movements of the observer. As long as he remains in a certain area in front of the installation it dynamically reacts to the viewers motion. As soon it does no longer detect someone close it reorganizes itself after a while and gently restarts wobbling around.
Another recent work by Völker is Variations on Pi, a series of robot-drawn “light paintings” where number sequences from Pi determine the placement, color and angles of the light circles. Here’s a short video on how it was made: