When opened, the "Home" display mode invites you to discover the last 4 geolocated archives in the application. By clicking on a thumbnail, you can discover the descriptive sheet of the archive, see the route to get there and its location. At the top of each sheet, 3 possibilities are offered to you: - "When individual history contributes to the collective memory of a territory." You can offer us a comment inviting you to collaborative indexing, a sort of “call for memories” in order to improve