Colombian city of Medellin was once known as the home of drug lord Pablo Escobar . Now the city has been the focal point for innovative urban regeneration . Named the world 's most innovative city by the Urban Land Institute . It began under former mayor who pioneered theory known as ` ` urban acupuncture ''
Colombian city of Medellin was once known as the home of drug lord Pablo Escobar . Now the city has been the focal point for innovative urban regeneration . Named the world 's most innovative city by the Urban Land Institute . Regeneration began under former mayor who pioneered theory known as `` urban acupuncture ''