Gaudi’s Heritage Conservation Gaudi’s Heritage ConservationCasa Milà, Barcelona (Spain). 1969Casa Batlló, Barcelona (Spain). 1969Colonia Güell Crypt, Colonia Güell (Spain). 1898 – 1914 / Main Architect: Antoni GaudíPalau Güell Rehabilitation, Barcelona (Spain). 1886 / Main Architect: Antoni Gaudí