Mural on the casa zuniga office wall. Guanajuato, September 28th,1810,a huge grain repository,The Alhondiga de Granaditas,a miner, nicknamed Pipila,with a slab of rock lashed to his back,torch in hand,is working his way to the granary door. At the same time,twenty thousand Indians armed with rocks attack the five hundred Spanish solders in the Alhondiga and win the first battle of independence for Mexico.