Great Wall of Los Angeles

The Great Wall of Los Angeles is a 1978 mural designed by Judith Baca and executed with the help of over 400 community youth and artists coordinated by the Social and Public Art Resource Center. The mural, on the concrete sides of the Tujunga Wash in the San Fernando Valley was Baca's first mural and SPARC's first public art project. Under the official title of The History of California, it was listed on the National Register of Historic Places in 2017.

Source: Wikipedia