At 38 mins (as usual, use link at bottom):
http://www.bbc.co.uk/iplayer/episode/b076zzqt/secret-britain-series-3-2-kent
Also, earlier in the show the underground factory of Shorts flying boats.
Mike
http://www.bbc.co.uk/iplayer/episode/b076zzqt/secret-britain-series-3-2-kent
Also, earlier in the show the underground factory of Shorts flying boats.
Mike