Like most major cities, the walls of Valparaíso have historically been tarnished by graffiti. During the dictatorship of Augusto Pinochet (1974 – 1990), the defacing had radical protest and political overtones. Although graffiti is illegal in Chile, street art is now embraced in Valparaíso. As result, it is rare to see rudimentary work like this. Instead, quality artistry is encouraged and often financially supported. An example is the Museo a Cielo Abirto. Since 1992, the Open Air Museum has sponsored over 20 murals in the Cerro Bellavista neighborhood.