Do Not Enter...

A couple of weeks ago, while walking around the neighborhood, I came across this intriguing example of property security: A tall stone wall (very tall - I had to climb up on Roland's shoulders to take this photo) surrounded some kind of development. To discourage trespassers, sharp shards of broken glass were cemented, spike side up, into the top of the wall. Barbed wire is one thing, but spikes of glass?? Sheesh! Probably does the trick though...I know I wouldn't want any part of me near the top of this wall...