I found Italian graphic designer and photographer Alberto Cassani on Flickr. Surprisingly we twice took the exact same shot in the exact same place in Berlin. Now that could happen in Time Square easily, but both our shots were taken in places where people would not traditionally stop to take a picture.
Of course, someone who follows the same path as me (although I believe I made those shots after him but anyway) MUST be very talented and deserves a blog post :p
My personal selection: