Location: Madrid. SpainClient: Madrid city councilArchitects: Nieto Sobejano Arquitectos, S.L.P.Fuensanta Nieto – Enrique SobejanoProject Architects: Alfredo Baladrón, Alexandra SobralProject Coordinator: Patricia GrandeCollaborators: Pedro Guedes, Miriam Aline Lange, Juan Carlos Redondo, Heitor García Lantarón, Borja Ruiz-Apilánez, Marta Torrecillas, Rocío Domínguez, Ernesto García PizaStructure: NB 35 S.L.Mechanical Engineer: 3i Ingeniería Industrial, S.L.Façade Engineering: Ove Arup & PartnersModels: Juan de Dios Hernández – Jesús Rey, Nieto Sobejano Arquitectos, S.L.P.Photographs: Aurofoto S.L. Diego HernandezProject: 2008Construction: 2009-2011Construction Company: U.T.E. Acciona / Dragados