Convento & cloister at Mission Espada.
For further info on Barbed quatrefoils, see the following site: http://personal.stevens.edu/~dvaccari/Vaccari%20-%20Sancta%20Sophia.pdf
Sacristy -turned-Church at Mission San Francisco de la Espada.
Current day Espada Church
You will also discover an important symbol put there by the original builders but laying hidden before our eyes for over two centuries.
BEST SEEN ON A DESK OR LAPTOP IN FULL SCREEN MODE: IMPORTANT INFO IS LOCATED ON THE SIDE PANELS
Espada Church ca. 1916