For many who have heard of Medellín, Colombia, the name brings to mind the drug-related violence of the 1980s and 1990s, when it was often described as the most dangerous city in the world.
Over the last decade, Medellín has worked hard to change its image. The local government is investing in education and social programs, and the city recognizes the importance of providing an integrated public transportation system as the backbone of these projects.