 Flores is best known for his monumental works, especially murals, most of which are located in the city of Toluca.Early murals include "El hombre contemporáneo" at the Hotel Plaza Morelos (1971), "El hombre comtemplando al hombre" at the Palacio de Poder Legislativo (1972-1983) and "Alianza de las culturas" at the Alianza Franciasa de Toluca building (1985) .Others include "El Hombre Universal" at the Centro de Investigación en Ciencias Sociales at UAEM (1989), and "En búsqueda de la justicia" at the Procuraduría General de Justicia (1991-1992) .