text: It must be these : 
  https://www.antwerpen.be/nl/stadsplan/stadslagen/53f366528cf0099572b1378a/punt/57fee800ecaef48d79c230e0
  Did they work ?  In many cities in Belgium working is optional.  I suppose these new ones in Antwerp will work.  But I try tot map them very well, so that their working can easily be surveyed in the future.
  