Bofors Tower

We took Elsa for a long looping walk this afternoon which passes by this anti aircraft gun tower in Caterham.   Built in 1940 as an outlying protection for RAF Kenley fighter airfield
It is a grade II listed building of historic interest.  
https://historicengland.org.uk/listing/the-list/list-entry/1404866?section=official-list-entry