THIS PIECE of public art has been created by a Swiss artist on one of the locks of Cardiff Bay barrage.

It was created by Felice Varini and is one of several pieces scattered around Europe.

If you stand in one particular spot on the barrage, all of the lines join up to form a set of concentric circles.

Felice Varini is known for his geometric perspective paintings of rooms and other spaces, using projector-stencil techniques.

His work consists of unconnected lines which form shapes if viewed from a particular angle.

According to art critic Joël Koskas: "A work of Varini is an anti-Mona Lisa."

* What do you think of the artist's work on the Barrage? Let us know by leaving a comment below or e-mail the Penarth Times.