From the Daily Mail:
With more than 3,000ft of railway track and 28 trains, this spectacular display is thought to be the largest indoor model railway in Britain.
The exhibition, dubbed 'Wroxham Miniature Worlds', was created by train enthusiast Sean Green, 45, and his 23-year-old son, Robert, in Hoveton, Norfolk.
It features incredibly detailed scenes from across the world - from the glorious British countryside to the busy streets of Japan.
More photos at the link. I love model railroads like this. Unfortunately, I don't have the room for it (unless I went with Z scale, which is out of my price range). Maybe after all the kids are moved out....
Here is the link to the Wroxham Miniature Worlds website.