Paul Wells of doverpast.co.uk has found something in Gibraltar which looks rather like a sound mirror. But is it, or is it something else?
Acoustic early warning systems, spectacular remnants of a dead-end technology on the British coast
Paul Wells of doverpast.co.uk has found something in Gibraltar which looks rather like a sound mirror. But is it, or is it something else?
Interesting – I am very intrigued by this as there are a lot of telecoms in that area but I may be reading something into a simple wall !!
Paul