since 1973, the polisario front national liberation movement has been campaigning for an independent the western sahara. for years, fighting raged in the desert. first against spanish colonial rule, then against occupation by morocco and mauretania. hundrere of thousasands of militants and their families fled the area to camps in algeria. there has been an armistice since 1991, but western sahara remains divided. its westernmost regions are governed by morocco. eastern and southern areas are run by the polisario front. 160,000 refugees still live in camps in the algerian desert. reporter: this car is delivering pizza in the desert. hindu: it makes me proud to have established the first pizzeria in the refugee camps. and that i've done it alone, as a woman, using my own resources. reporter: a pizza delivery service in algeria's sahara desert with a young woman at the wheel. 28-year-old hindu mani is one of the ingredients in this rather unusual story. hundreds of thousands of sahrawis, the indigenous people from western sahara, have lived in these refugee camps for many years now. the