. >> once rachel arrives, she is met by rajab abdul, her nubian cart puller. they will then distribute the milk, first by cart, then by wheelbarrow through the winding streets of kibera, one of africa's largest slums. kibera was established in 1918 as a soldiers' settlement 5 kilometers from nairobi city center. plots were allotted to the nubian soldiers - who were from sudan - as a reward for service in britain's various wars. since then, it has been allowed to grow informally. kibera is now a town of 1 million people with its own vibrant internal economy. one of the most visible sectors of this is food supply, whether through the ubiquitous street vendors or the more established "hotels". in these days of skyrocketing prices, those who sell to the poor know best the thin line between profit and loss. fatuma is of nubian descent; her family has lived in kibera since its inception. in 1992 she started up her first hotel in kibera. don't be confused, "hotel" is the kenyan word for cheap eating-house, people don't actually rent rooms here. she now has a few bran