Jonas Bendiksen provide us with photos from four different slum areas which he visited: Caracas, Venezuela; Mumbai, India; Nairobi, Kenya; and Jakarta, Indonesia. He offers us a view of various aspects of slum life through images and narration he acquired while visiting 16 different homes in these cities.
Trace the past and future expansion of the world's biggest cities with the BBCs interactive map (urbanisation and urban growth)
The world in 2050: leading experts give their forecasts for the urban future
Making cities work: Detroit, Mexico City, Moscow and China
Rural to urban migrants speak out.