Witnessed this guy walking the length of Tottenham Court Road in London, visiting each payphone in order and sticking of host these notorious call-girl cards in each of the boxes.
Below is a world day/night zone image. It will help you time your calls to payphones across the globe.
Hey contact me..
Please send me an email regarding anything related to payphones. My email address is provided on this page, which also contains information on how to contribute your own payphone pictures.