Hi, you can contact me in French or English.

Tools to check/search elements of the map: http://overpass-turbo.eu http://openpoimap.org

3D view: http://demo.f4map.com

OSM Deep History: http://osmlab.github.io/osm-deep-history/

Go back in time: osm.wiki/Overpass_API/Overpass_QL#Date