Yesterday I took this picture of Stena Hollandica one of a pair on the ferry route from/to Harwich/Hook of Holland which are the largest in the world, the ferry is to the left of the Roughs Tower on the horizon and is on the left of the frame, by zooming in the ferry is some three miles out and just cutting across her bow is the wartime Maunsell Fort called Roughs Towers more commonly known as The Principality of Sealand owned by Roy Bates and family that is outside UK territorial waters and is six miles out