This issue focuses on the office of the brothers Manuel and Francisco Aires Mateus. 24 projects have been collected including the Sines Cultural Centre, the Santa Maria Lighthouse Museum, a Hotel in Dublin, the Home for the Elderly in Alcácer do Sal, a Hotel and Restaurant in Biscaia, the Lisbon Central Library and Municipal Archive, a Multipurpose Building in Dubai, a School in Vila Nova da Barquinha, a House in Coruche, a House in Monsaraz, a House in Leiria, the EDP Head Office, a Call Center in Santo Tirso, the Furnas Monitoring and Research Centre, the Parque de los Cuentos Museum, the Bom Sucesso Housing, the Mar de Oriente Shops and Office Building. Interview with Aires Mateus by Ricardo Carhalvo and an essay by Juan Antonio Cortés.