Castelar Building. Architects: Rafael de la Hoz Arderius and Gerardo Olivares. Detailed image of the double glass skin construction. The outer layer of glass hangs in the air and it is fixed back to the building by means of a series of glass fins specially designed for this building. Photograph by Duccio Malagamba

Castelar Building. Architects: Rafael de la Hoz Arderius and Gerardo Olivares. Detailed image of the double glass skin construction. The outer layer of glass hangs in the air and it is fixed back to the building by means of a series of glass fins specially designed for this building. Photograph by Duccio Malagamba

Castelar Building. Architects: Rafael de la Hoz Arderius and Gerardo Olivares. Detailed image of the double glass skin construction. The outer layer of glass hangs in the air and it is fixed back to the building by means of a series of glass fins specially designed for this building.

Photograph by Duccio Malagamba