Re: long barriers in inhospitable territory One of the lesser-known but technically-impressive border fences was the Cordon Sanitaire ( Corsan ) built by Rhode

Re: long barriers in inhospitable territory One of the lesser-known but technically-impressive border fences was the Cordon Sanitaire ( Corsan ) built by Rhodesia in the 1970s along the border with Mozambique. The idea of relying solely on sensors was rejected because even heliborne troops were inadequately slow when intruders could disappear into the African bush. Instead the Corsan consisted of two fences bracketing a minefield and much Israeli monitoring equipment, ran for 180 km along incredibly hostile African territory. Eventually the cost proved prohibitve and the next 800km of border had to be secured with only a minefield and a homeward-side fence.