At first glance, this work appears to be just one of many laser pictures, but it reveals its true beauty in the details. Incident and reflected laser rays tightly enclose the camera lens, symbolizing the constriction of modern society. To emphasize the relevance of time as an additional restriction in this interplay, the artist worked with a  long camera exposure time while illuminating the image with light pulses of only several hundred nanoseconds. This is one of many possible interpretations. Technique: Defocusing particle tracking velocimetry applied to an annular gap flow.