Medellín, Colombia, is the capital of the Antioquia department and is known for its pleasant climate, earning it the nickname "City of Eternal Spring." The city is situated in a valley surrounded by mountains and has a population of over 2.5 million people. Medellín has transformed from a troubled past to a vibrant urban center, featuring modern infrastructure and cultural attractions. The city is famous for its innovative public transportation system, including the Metrocable, which connects hillside communities to the city center. Medellín also hosts the annual Feria de las Flores, a flower festival that celebrates the region's rich floral heritage.