Fabiana Silva, 38, a former crack user who now collects recyclable materials, sells her wares to a cardboard recycler in Moinho favela, in Sao Paulo, Brazil, July 6, 2017. The word on the container reads: "Freedom". REUTERS/Nacho Doce SEARCH "NACHO RECYCLING" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.