Francisco Rosales, archivist of the Real Maestranza de Caballeria, shows an index card of the 'Rujula archive', in the library conserving ancient documents in optimal lighting and temperature conditions, in Ronda on June 25, 2024. The Real Maestranza de Caballeria of Ronda houses a documentary treasure that keeps track of thousands of Hispanic surnames for several centuries, an invaluable resource in moments of lively interest in genealogy. (Photo by JORGE GUERRERO / AFP)