Judy Baca is an acclaimed artist and muralist and founder of SPARC (The Social and Public Art Resource Center). She is perhaps best known for designing and painting, with the help of many assistants, a half mile long mural in the Tujunga Wash in Los Angeles, California. The mural involved the work of more than 400 young people.Here, Judy speaks about what led her to muralism and what The Great Wall represents.