11. At the corners are square rusticated limestone voussoirs around a large sally port. 12. Voussoirs are laid on it until the arch is complete and self-supporting.13. Radiating voussoirs surround each of the arched openings. 14. The ground floor features large arched openings with voussoirs surmounted a massive denticulated cornice. 15. Each paired window opening is surmounted by a limestone flat arch with radiating voussoirs . 16. It is used for the trim, especially in the voussoirs of alternating colors. 17. It is equally decorated with a muqarnas niche, joggled voussoirs and interlocking geometric designs. 18. The bricks used in such an arch are often referred to as'voussoirs '. 19. The main doorway has voussoirs , a pointed arch and archivolts, and a Trinity. 20. This is round-headed and consists of three orders of archivolts with carved voussoirs .