Medellin is a top destination for tourism and business activities, because of its topography, the friendliness of its citizens and its spring-like weather, reason why Medellin is known as the “City of Eternal Spring”. Additionally, Medellin has a complete transportation system consisting of Metro (rail lines), Metro-cable (gondola lifts), Metro plus (feeder buses), Tranvia (tram cars), two interstate bus terminals and two airports, one of which is an international airport.