Roque Santeiro fair, Open-air market, sale of medicinal herbs, Luanda, Angola, Africa. African women, African woman, colorful cloth, black woman, black women, trade, street commerce, happy, poverty, poor woman, poor women, labor, work, worker, workers, culture, cultural traditions, cultural tradition, alternative medicine, health, healthiness, open market, open-market, open air market, to crush, crushing, to pestle, heavy wooden mortar, pestling, to pound, pounding