A group of approximately seven people walk past a grand building with arched windows in Venice, holding red umbrellas.

CODE:RED, Red umbrella march, public action, 49th Venice Biennale of Contemporary Art, Venice, 2001. Image via Museum and Galleries of Ljubljana

The red umbrella as a symbol of sex workers rights came from Tadej Pogačar’s "CODE:RED" at the 49th Venice Biennale in 2001. Read the press release here.