Kilnsea sound mirror on the BBC

A huge concrete dish, pointing at the North Sea from an East Yorkshire field, was once a vital part of Britain’s defence system says a BBC video about the Kilnsea acoustic mirror.

The interview with local historian Jan Crowther is part of the BBC Look North programme’s Abandoned series with Matt Richards.

Matt was recently in touch seeking information for a proposed broadcast about Drewton tunnel on the old Hull & Barnsley Railway.