re: #39 Nojay UK

The person’s shadow is visible. Minus five points plus an obligatory Monty Python sketch reference.

How Not To Be Seen.

It works well enough that most of us would miss it with a passing glance. Like a person driving by might miss the difference in the lighting, the muted colors, the slight variation in the lines of the fencing, and so forth. But unless someone explicitly pointed it out to you, your brain would likely follow its programming and just paper over that one block that wasn’t quite right so that all you saw in mind’s eye was a continuous fence.