Entrepreneurs beat the odds in Kenya's anarchic mud city

Despite the poverty, lawlessness and pollution of life in Kibera, creativity still thrives thanks to a mix of determination, guts and luck. The Guardian spoke to people who have all three

Living in a slum is the reality for 1 billion people and rising across the world. More than half of Africa's city dwellers live in "informal settlements" and the continent's biggest is Kibera, in Kenya. We heard from people there about their struggles, aspirations and their innovation, busting the myths and stereotypes about being poor and powerless.