Geoff Marshall shares his favourite bits of Tube trivia from the District Line. In which ticket hall can you find a swastika? Which station changes name from one platform to the next? Where does the Underground go over the Overground?
You might recognise Geoff from a recent BBC film documenting his attempts to regain the record for visiting all the Tube stations in one day. Feel free to share your own favourite bits of District Line trivia in the comments below.
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