It's the most improbable of events. The neighbors have grown to expect odd things from Maurice, but the sight of two adults intent on drawing with children's chalk raises the eyebrows even higher.

No less surprised am I. But here is a form of flat art that contains elements of sculpture. It's very physical, with lots of movement and the necessity of viewing the product from all angles. It's fun. The patterns burn in my imagination until I can write them on the concrete.