But its ignoring standard practice at even low security places for example the fences at BT Labs (Uk's Bell Labs) where about 50% higher and curved inwards (to

But its ignoring standard practice at even low security places for example the fences at BT Labs (Uk's Bell Labs) where about 50% higher and curved inwards (to keep intruders inside. Though one visiting US telco guy said of BT Labs "Fuck Me it's a Prison"