Yeah it eas the wrong technique, the interesting stuff is public transit and commerce driven. So there are a million JR and subway stops. If you got off at every single stop in existence and walked concentric circles around it, you'd find out the relative importance of each station as a destination and or transit hub and you'd find everything interesting and know exactly when to stop making bigger circles around a station by the reduction in things to see. And that's still an incredible mind blowing amount of land area you'd have to walk