Kenyan children learn ballet at Kibera slumClassical music, colourful clothes and teachers’ voices mix to turn the grey cold room into a real ballet studio. Nairobi, Kenya – With more than 2.5 million people in some 200 settlements, the slum dwellers in Nairobi represent more than half of the city’s population and occupy merely 6 percent of the land, according to a report [PDF] released in 2014 by