Commuting in the Skies of Medellin

Medellin in Colombia was one of the first cities in South America to integrate cable cars into its metro transit system. The Metrocable links the affluent valley with poor neighbourhoods in the hills. Arturo Wallace of BBC Mundo explains how it's also affected social attitudes.

Image: Metrocable car in Medellin, Columbia Credit: RAUL ARBOLEDA /Stringer/Getty Images