Ah, now a visit to the remains of the Preussen used to be a regular trip for me when I were a lad and I imagine still is for the youngsters in Dover, if the council or someone hasn't decided that access to the OP's pillboxes etc in the area are dangerous and shut off the path down the cliff.

Sorry Martin can't answer that one. As Wallace Greenslade used to say "I only read this stuff, I don't write it!"

Pete M