Colombian city of Medellin was once known as the home of drug lord Pablo Escobar . So everybody says : 'This is my library and I identify myself with that beautiful design . ' '' The U.S. State Department has warned that a new wave of violence is threatening to destabilize Central America and Mexico. Named the world 's most innovative city by the Urban Land Institute . Regeneration 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 . The U.S. State Department has warned that a new wave of violence is threatening to destabilize Central America and Mexico. Named the world 's most innovative city by the Urban Land Institute . Regeneration began under former mayor who pioneered theory known as `` urban acupuncture ''