Blood For the Baron have run something similar with Muton (known as the Mutour
Have a look here (links to participants' images at the bottom of the page):
http://www.bloodforthebaron.com/dio...tour/index.html
and a few pics combined on the same page:
http://www.bloodforthebaron.com/mutour/index.html
Might be interesting to have each participant shoot part of a story line (which they can make up), like the kids game where each one writes a sentence that the next has to follow on from...? Otherwise simply seeing the sights in each participant's location would still be cool.
Anyway sounds like fun
