Construction of a group of buildings; shopping mall, cinema, car park and offices in Tourcoing city centre. The project has the particularity of being located above “Tourcoing centre” metro station as well as part of the tunnel. Therefore this 3 storey building is supported by large deep beams spanning 40m and 50m in the foundations of either side of the underground structures in order not to overburden them, the ground floor being suspended from the deep beams