The word "Alcázar" is of Arab origin and means "castle" or "fortress". It refers to a period in the history of Spain that is often overlooked: With the expansion of Islam, the Moors invaded southern Spain from the 8th century onwards. Soon their culture became independent, flourished and was then the European leader. Even today, their top architectural achievements are breathtaking and rightly belong to the world cultural heritage. These are the Alhambra in Granada, the Great Mosque in Córdoba ...