A Ghostly Encounter

I was walking along the corridor towards the library when I took this shot. It was underexposed due to the background light fooling the camera's meter. However, I did a bit of post processing to give a kind of sombre look to the photo. It's pretty evident who my subjects were. (Fuji Finepix S100FS, ISO 400, f3.9 1/110s)

Click on the picture to view a larger image.