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Castellana 81 is a landmark in Madrid’s modern cityscape and a reference point for XXI century’s Spanish architecture that now looks to the future as a symbol of sustainability, accessibility and technology.

The Building was designed by Francisco Javier Sáenz de Oiza, one of the most outstanding figures of Spanish architecture in the second half of the 20th century. Its 107 metres are distributed over 28 floors dedicated to office space, 5 of which are double-height, transparent, and without pillars.