The interesting thing about this picture is that the columns are not in a diagonal, however, since the sunlight is hitting them from the right side the reflection becomes a series of diagonal lines. Last class while we were lighting each other's blogs I understood that shadows are an important element to consider, and entirely depend on the direction of the light. This offers plenty of design possibilities when working with moving bodies onstage.
The continuity of the shadows to me is both calming and ads structure to the image.