This one would be widely made of steel, it will be the 1st time I see that in France where reinforced concrete structures rule.
They're still preparing the formwork of the core for now.
EDIT: removing hotlinks to pss-archi.eu
psst... A new command I give you: Love one another. As I have loved you, so you must love one another. (John 13:34)
Last edited by mousquet; Apr 6, 2013 at 8:17 AM.