The Tour D2’s characteristic oval shape and unique façade design defined by the external diagrid structure is reminiscent of a diamond that sparkles in the sunlight. On its top floor, an open roof garden offers a 500 m2 green oasis in the heart of the business centre.

: https://constructalia.arcelormittal.com/en/case_study_gallery/france/tour_d2s_optimized_steel_structure_features_innovative_arcelormittal_solutions