When you're riding the subway in a strange town, you just need to know which line will take you to which station. Further detail is just a distraction. So metro route maps around the world have evolved into clear, simple diagrams, where the messy crags and bulges of geography are reduced to rational angles and clean lines. But their heritage shows in their station names, their design sense, their alphabets. Can you see the city behind the diagram?
Answers are here. Please post your guesses, speculations, or arguments, below! But know this: the Trivial Eye is presented for public amusement and no prizes are offered other than that familiar feeling of aggravation that so much of your mind is occupied by useless trivia.