Los Angeles Times photographer Mike Sergieff snapped this picture of a janitors rally in 1990, giving it the caption, “Union demonstrators who marched around the downtown high rise buildings where they rallied for better contracts, end with skit of character of a greedy contractor who pays poor wages for cleaning services.” Los Angeles Times Photo Archive, UCLA Special Collections. August 15, 1990, Los Angeles Times. Learn more about Justice for Janitors.