You’re in Medellín for a while. Before you settle in your hostel or apartment, or throw yourself head first into a new job, or begin your studies at the Universidad de Medellín, get to know your nook of the city and its surrounding neighborhoods. Here’s how. December through mid-January, Medellín is illuminated by Christmas displays. Highlights of the free tour include Christmas lights along Medellín River and La Playa Avenue and a technologicall...