Maria Josefa de Oliveira stands in the doorway of her home in the Imbiribeira neighborhood of Recife — a city of 3.7 million in northeast Brazil. The bars on the window and door, and the hand-painted sign for her long-running in-home manicure business, ground de Oliveira firmly in this working class neighborhood on the edge of this majority Afro-Brazilian city. (Fuente: Mongabay)