Reflections creating a symmetry is always a nice visual – I snapped this on a bit of a grim day at the local university as I was walking through recently.
Focal Length: 86mm
Lens: Nikkor 50-300mm AF-4.5-5.6G
Mode: Full Auto
Shutter Speed: 1/80
Exposure Comp: 0EV
Editing: Levels tweaked in ViewNX2, B&W and Slight filter added in Photoshop CS5.