According to sau-msi.brussels this "street" is called Cour des Lions in both Dutch and French https://msi.brussels/nl/sites/bip-huis-van-het-gewest#:~:text=ingang%20tot%20de-,Cour%20des%20Lions,-%2C%20achter%20en%20rechts

Waterstèles by Charlotte Marchal should be loceted here somewhere
https://collections.heritage.brussels/nl/objects/44195

Bos van de toekomst is hier aangeplant https://www.bosteller.be/verhalen/bos-van-de-toekomst/d195f77a-186d-45bf-b05a-28a402654081

The building here are mostly done but UrbIris hasn't updated yet

name:wikidata:etymology doesn't correspond to the name. According to eBru it was named after a unknow person

According to the street sign the street was named after a landowner

After who or what is this street named? I can't find nothing to add the etymology

New building

construction of the tunnel is done https://www.bruzz.be/mobiliteit/nieuwe-fietsverbinding-de-bosstraat-ganshoren-2021-12-11