This building is crossed by the Institutional Urban Axis. At this intersection there is a transitional space of urban quality, a large double-height atrium that organises the entrances to the building and reveals, thanks to the transparency of the enveloping skin, the spatial complexity that occurs inside.

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The program is organised around two large voids that vertically cross the building. A first "open sky" void that provides overhead light and spatially enriches the large urban atrium, and a second interior void that pierces the work floors and organises the building's circulatory system.