As I was staring out the window of the Mr. Donuts in Urayasu the other day, my eye was drawn to three signs warning people not to park bicycles there.  As I was a bit under the weather, I felt the sighs morph in front of my eyes, and I noticed that each sign had been scribbled on or altered in some way.

Three lovely blue squares just waiting to be noticed.  Hey You!!  Look at me!!