Each day as dawn breaks in the Bolivian cities of La Paz and El Alto, roughly 3,000 individuals of all ages take to the streets wearing masks to hide their faces, secretly earning money by shining shoes. The stigma attached to this particular labour is so severe that many feel compelled to conceal their faces and work anonymously. As such, they’re unprotected and living on the margins, beyond the state. When Uruguayan photographer and activist