IPS – In early November, a group of explorers set out to map a blank space in Africa’s map. Twelve youths armed with global positioning system (GPS) devices made the rounds of the Nairobi slum of Kibera.

The teens are working with an organisation called OpenStreetMap to create a public map of their neighbourhood, seven kilometrs southwest of the city centre. It is the second-largest informal settlement in Africa, after South Africa’s Soweto township.

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