I was surprised to find vertical shadows on the screen door one morning; the sun must have hit it at the right angle. This reminds me of graphic symbols where everything is distilled to a solid form. To what point can a plant be simplified such that its species remains identifiable?
Because it grows rapidly and then you need to trim it so your lame bollard doesn't get swallowed up! Though it looks like the triangular-shaped concrete was a later installation... either way, bad design. Hopefully this wasn't the work of a professional landscape architect!