05 APRIL 2004 - SAN MIGUEL DE ALLENDE, GUANAJUATO, MEXICO: A woman walks past an open doorway in San Miguel de Allende. San Miguel, which was founded in the 1600s, is one of Mexico's premier colonial cities. It has very strict zoning and building codes meant to preserve the historic nature of the city center. About 7,500 US citizens, mostly retirees, live in San Miguel. PHOTO BY JACK KURTZ