Is this really water?

The building was erected as château, built in 1495 (the owner told me).

the building was erected as château and built in 1495 (the owner told me)

Ici, c'est D 49, ne pas D 19.

Is this really a oneway road? Looking at Bing Imagery I'd say no…

Nur wenige Datenverwerter rendern den Name von Trinkwasserstellen. Eine solche mit "kein Trinkwasser" zu benennen ist irgendwie komisch...
In der Realität gibt es hier eine Wasserpumpe, die Regenwasser aus einer Zisterne pumpt.

The way of St James crosses the main road on this bridge and passes the church heading south west.

this railway is abandoned. not sure if this is mapped, just have OSMand to look at the data