URBAN SCRUMBLE

The game looks like a treasure hunt and takes place in the district of Massena.
Here is how it starts:

The potential players would receive an envelope containing clues in order to begin an investigation in the district.
Curious, they would be voluntary to participate and get further informations concerning the game.
The playground is the whole quarter, it would be as an urban hunt. The player will hold an inquiry on all scales, ranging from an itinerary on a site plan to an urban scrumble ( a mark, a specific texture...)

Here are the different "urban scrumbles" detected on the site that constitute a first set of clues of a small scale: