The date is Sunday, September 12 from 7 pm in Piazza della Repubblica to the Flash Mob.
The pre-event will take place from 6 pm in Piazza Strozzi.
The rules are simple: some guys and some girls dancing on the notes of some songs and declaration of Freeze will stop in a strange pose everything until the next signal.
More info can be found here
[youtube https://www.youtube.com/watch?v=NhbK2bMTRbI]