Emergency stairways and footbridges, with dual 3-person passages, during rebuilding of “La Canopée” in the Forum des Halles, Paris.
Stairways and footbridges of “La Canopée”, Paris
Emergency stairways and footbridges, with dual 3-person passages, during rebuilding of “La Canopée” in the Forum des Halles, Paris.
