It was the reason for range wars in the west at one time.
It was used in WWI (put before trenches to prevent movement. No man's land)
It was used in WWII Concentration Camps.
It's used around prisons--at the top of the chain link fence--to prevent breakouts.
MAN! Barbed Wire is kind of a depressing thing to have taken pictures of. But we were out one day for a drive in the country and I kept seeing these rolls of barbed wire left on the end of fences and it intrigued me.
I do not know why they leave them there.
Look at how that barbed wire has cut into the fence post.
I'm going to link this to A Southern Daydreamer's Outdoor Wednesday.