Olvera Street Mexican marketplace and its plaza form the home of Latino culture in the Los Angeles region. Still standing in this downtown location of many fiestas, including Cinco de Mayo, are the Avila Adobe, plaza church-- La Iglesia de Nuestra Se ora La Reina de Los Angeles, Pico House, Sepulveda House, and L.A. Firehouse No. 1. El Pueblo de La Reina de Los Angeles was founded in 1781. The 1820sbuilt plaza was ruled for decades by the magnanimous...