English: Listening Ears near to Greatstone-on-Sea, Kent, Great Britain.
These are concrete listening ears built for the Second World War. Aeroplanes flying across the channel could be heard by observers positioned near these "ears".
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Listening Ears near to Greatstone-on-Sea, Kent, Great Britain. These are concrete listening ears built for the war. Aeroplanes flying across the channel could be heard by observers positioned near these "ears". {{geograph|000166|Paul Russon}}