Hello,

Thanks for spotting some obvious mistakes like this.  However, please note that in Belgium we trace buildings on *numerical* imagery and never on aerial pictures, which I see you used as backgrounds.  So, if you fix things like a node outlyer, please do not move buildings by following aerial pictures, because that means undoing some of the work we have been patiently doing in the last years.  (And there is still so much to do…)

There are 3 parts of the Belgium.  Depending on the part of the country, the background layer to select to get the correct outline of buildings is:

* Flanders (northern half): "Digitaal Vlaanderen GRB"

* Brussels (middle): "UrbisAdm FR/NL"

* Wallonie (southern half): "SPW(allonie) PICC numerical imagery"

Thanks in advance.