un recherche Laeken montre 
https://www.openstreetmap.org/relation/2404023#map=17/50.89408/4.37250&layers=N
et Neder-over-heembeek
https://www.openstreetmap.org/relation/2404024#map=14/50.8945/4.3923&layers=N
Possible un erreur dans program https://nominatim.openstreetmap.org/ ????