Refurbishment of a 1970 building at La Défense.
By
vincent 92000 on pss-archi.eu
4 pictures above by
ZeusUpsistos
There you get some pictures of what the building looked like before:
https://www.pss-archi.eu/immeubles/FR-92026-48.html
It had been vacant for years and years, left in a poor shape, so this is a good deal to the district.
They're adding 6 floors to the building, so it'll be slightly taller when the work is done.