PRIMARY STRUCTURE, Ceiling Infrastructure plan, Plan of the existing ceiling infrastructure on level 24 of the WTC I posted by Maxim Lefebvre at 07.03.18, filed under: concrete, glass, steel, STUDIO: , Location: WTC I, Brussels, back-button PRIMARY STRUCTURE, Ceiling Infrastructure plan, Plan of the existing ceiling infrastructure on level 24 of the WTC I posted by Maxim Lefebvre at 07.03.18, filed under: concrete, glass, steel, STUDIO: , Location: WTC I, Brussels, back-button
fig 275A,