Her research focuses on the historical evolution of the City of Cusco. As manager of the historic section of the Provincial Municipality of Cusco, Alfaro promotes the development of research projects and dissemination of the cultural heritage of the historic City of Cusco. She has participated in the management and urban renewal of public spaces and housing in the historic section of Cusco. Alfaro is also responsible for the editorial direction of the Municipality. She has published the following books (in Spanish): Cusco monumental: Ombligo del mundo; Machu Picchu santuario del cusco: Cien años para el mundo; Cusco monumental: Ombligo del mundo II; Antología quechua del Cusco: Qosqo Quechwasimipi Akllasqa Rimaykuna; Cusco: Identidad y desarrollo, and Cusco y la herencia del barroco andino. (Crayla was unable to present at the symposium.)