The main load-bearing elements are 4 reinforced concrete cores which perceive horizontal and vertical loadings, transferring them to the base executed in the form of the plate grillage leaning against piles. Between the Southern and Northern buildings of the MFZ along the entire height of the atrium, with a roof of translucent polymer membranes ETFE. In the space of the atrium, transitional bridges are spanned, which serve as observation points. Atrium is a pedestrian area from which you can get to any of the objects of the building.